β’
β’
β’
β’
β’
β’
β’
β’
β’
β’
β’
β’
β’
β’
3π₯2π¦ Γ 5π₯π¦3
β’ π3 π Γ π Γ ππ2π π Γ π Γ π
β’
β’
β’
β’
β’
β’
β’
β’
β’
29
π₯ π₯ π₯ 2
6 Γ 4π₯= 24π₯
6 Γ 7= 42
4π₯
6
7
Γ Γ·
ππ π2
6ππ, 3π4ππ β 4 4 β π
ππ ππ π
π
π
3π 2π
5π + 2 3π β 1
4π₯
3
2π
4π
5π 2π2π
6π
3π
2π₯2
2π₯ 2
π = 2 π = β4
π = β2 π = β4
β2.52
β6.25
π + π π β π πππ
π
π
ππ2 + π2 π2 β π2
3ππ
2π β 3π3π2
π₯2 π₯ = β2.5
π₯ + 1.7 = 6.8 π₯ β 1.7 = β6.8 6.8 = 1.7π₯
β6.8 = 1.7π₯ 6.8 = 2π₯ β 1.7
π₯
1.7= β6.8
1.7π₯ β 5.1 = β6.8
3π + 4π β 8π β3π + 4π β 8π β3π β 4π β 8π
3 Γ β4π β3 Γ β4π β3 Γ 4π β3 Γ β4π Γ β2
+ βπ₯
3π
6 Γ 82π₯
6 Γ (π + 2) 6π + 12π
3 2π₯ + 5 = 6π₯ + 15
6 Γ 82= 6 Γ 80 + 2= 6 Γ 80 + 6 Γ 2
= 480 + 12= 491
6 Γ π + 2= 6 Γ π + 6 Γ 2
= 6π + 12
2π₯ + 5 2π₯ + 5 2π₯ + 5
π₯ π₯ 5 π₯ π₯ 5 π₯ π₯ 5
6π₯ + 15
3 Γ 2π₯= 6π₯
3 Γ 5= 15
2π₯
3
5
3(π₯ + 5) 3(π₯ β 5) β3(π₯ + 5) β3(π₯ β 5)
3(5 + π₯) 3(5 β π₯) π₯(π₯ + 5) 2π₯(5 β π₯ + π¦)
6π₯ + 9π¦ β‘ 3 + 4π₯ β 6π¦ β‘ 2 +
π₯π¦ + 7π₯ β‘ π₯ + π2 + ππ + 6π β‘ (π + π + 6)
12ππ β 15ππ‘ = (4π β 5π‘) 20π2 + 5π β‘ +1)
10 18 3π₯ π₯2 2π₯2 6π₯π¦
10π₯
5π₯
24π¦ 6
9π + 6π
3π + 2π
12π + 8π4
24π₯π¦ + 36π₯π§6 + π₯ +
3 π₯ Β± 4 Β± 4(π₯ Β± 5)3 Β± 4(π₯ Β± 5)
1π₯β²
3 π₯ + 4 + 2 2π₯ + 3 π₯ + 4
2 + 3 π₯ + 4 3 π₯ + 4 + 2
5 + 3 π + 68 π + 68π + 48
5 π β 3 + 2π5π β 15 + 2π
3π β 15
3 5π + 2 + 4(2π + 3)
3 5π + 2 + 4(2π β 3)
3 5π β 2 + 4(2π β 3)
3 5π + 2 β 4(2π + 3)
3 5π β 2 β 4(2π + 3)
3 5π β 2 β 4(2π β 3)
3 5π β 2 β 5(3π β 2) 3 4π β 2 β 2(6π β 3)
π₯ + 1 π₯ + 2 β‘ π₯2 + 3π₯ + 2
π₯ + 2
π₯+1
(π₯ + 4)(π₯ + 3) (π₯ + 3)(π₯ + 4)
(π₯ + 4)(π₯ β 3) (π₯ + 3)(π₯ β 4) π₯ + 3 2
62 Γ 43
(60 + 2) Γ (40 + 3)
(π + 3)(π + 4)
Γ
2400 + 180 + 80 + 6 = 2666
Γ π 3
π ππ 3π
4
ππ + 3π +
π + 3 π + 4 ?
2π₯ + 5 2 4π₯2 + 25
2(π₯ + 4) = 14
3 π₯ + 5 = 12
π₯ 4 π₯ 4
14
π₯ π₯ 8
14
π₯ π₯
6
π₯
3
2π₯ + 8 = 14
2π₯ = 6
π₯ = 3
βπ βπ
Γ· π Γ· π
2 π₯ + 4 = 14
Expand brackets
4(π + 4) = 60 10 = 5 π + 1
3 π₯ + 2.7 = 4.5 12 = 2(π₯ β 3) 6 π β 1 + 2π = 10
3 π₯ + 5 = 123π₯ + 15 = 123π₯ = β3π₯ = β1
3 π₯ + 5 = 12π₯ + 5 = 4π₯ = β1
2π₯ + 32(π₯ + 3)
2π₯ + 3 2 π₯ + 3
π₯ π¦
π₯
π₯ +7Γ 4
π¦ Γ 4+7
4
π₯ > 7 7 < π₯
7.5
π₯ > 10 π₯ + 1 > 11
π₯ > 10
π₯ > 7 7 < π₯ 7 β€ π₯ π₯ < 8 π₯ β₯ 8
π₯ > 10
π₯ + 4 >___
2π₯ >___
2π₯ β 3 >___
3π₯ + 2 >
π₯
2>___
2 + 3π₯ >___
10 < π₯ 40 < 4π₯ βπ₯ > β10
π₯ + 2 > 7 π₯ + 2 > β7 π₯ β 2 > 7 π₯ β 2 > β7
π₯ + 2 < 7 π₯ + 2 < β7 π₯ β 2 β€ 7 π₯ β 2 β₯ β7
2π₯ + 2 < 7 4π₯ + 2 β₯ β7 3 + 5π₯ β€ 7
π₯, π₯ + 4
π₯
π₯ π₯ π₯ π₯ 12
π₯ π₯ 18
π₯ π₯ π₯ π₯ 12
π₯ π₯ 18
π¦
π₯
π₯
π¦ π¦ π¦ π¦ π¦
π¦ π¦ π¦ 155π¦ = 3π¦ + 15
βππ βππ
2π¦ = 15
5π₯ + 1 = 71 5π₯ + 1 = 7π₯ 5π₯ + 1 = 2π₯ + 7
17 = 4π₯ β 3 2π₯ = 4π₯ β 3 2π₯ + 1 = 4π₯ β 3
10
π₯ + 4 12 6π₯
π₯ = 3
7π₯ + 3 2π₯ β 4 = 4 2π₯ + 4 β 2(3π₯ β 8)
β‘,
2(π + π) π = 2(π + π) 2 π + π β‘ 2π + 2π
πΆ = ππ π = 2π + 2π€
π =π·
π π΄ = ππ€
π΄ =1
2πβ
π = 4π
5π₯ + 6π₯ β‘ 11π₯
π Γ π Γ π β‘ π3
3π + 2 π + 5 = 25 π£ = π’ + ππ‘
10 =π
2β 3 6 βπ = 2
6 βπ = πΉπ2 + π2 = π21
2π + π β