Propriedade Distributiva da Multiplicação
a) 3 (x+y) = 3.x+3.y = 3x+3y
b) 7 (x-2y) = 7.x-2.7y = 7x-17y
c) 2x (x+y) = 2x.x+2x.y = 2x²+2xy
d) 4x (a+b) = 4x.a+4x.b = 4ax+4bx
e) 2x(x²-2x+5) = 2x.x²-2x.2x+2x.5 = 2x³-4x²+10x
f)(x+5).(x+2) =
x.x+2.x+5.x+5.2
x²+2x+5x+10
x²+7x+10
g) (3x+2).(2x+1) =
3x.2x+3x+2.2x+2.1
6x²+3x+4x+2
6x²+7x+2
h) (x+7).(x-4)
x.x-4x+7x-28
x² +3x -28
i) (3x+4).(2x-1)
3x.2x-3x+4.2x-4
6x²-3x+8x-4
6x² +5x -4
j) (x-4y).(x-y)
x.x-xy-4xy+4y.y
x²-5xy+4y²
k) (5x-2).(2x-1)
5x.2x-5x-2.2x+2
10x²-5x-4x+2
10x² -9x + 2
l) (3x+1).(3x-1)
3x.3x-3x+3x-1
9x² - 1
m) (2x+5).(2x-5)
2x.2x-2x.5+2x.5-5.5
4x²-10x+10x-25
4x² - 25
14/05/22
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Propriedade Distributiva da Multiplicação
a) 3 (x+y) = 3.x+3.y = 3x+3y
b) 7 (x-2y) = 7.x-2.7y = 7x-17y
c) 2x (x+y) = 2x.x+2x.y = 2x²+2xy
d) 4x (a+b) = 4x.a+4x.b = 4ax+4bx
e) 2x(x²-2x+5) = 2x.x²-2x.2x+2x.5 = 2x³-4x²+10x
f)(x+5).(x+2) =
x.x+2.x+5.x+5.2
x²+2x+5x+10
x²+7x+10
g) (3x+2).(2x+1) =
3x.2x+3x+2.2x+2.1
6x²+3x+4x+2
6x²+7x+2
h) (x+7).(x-4)
x.x-4x+7x-28
x² +3x -28
i) (3x+4).(2x-1)
3x.2x-3x+4.2x-4
6x²-3x+8x-4
6x² +5x -4
j) (x-4y).(x-y)
x.x-xy-4xy+4y.y
x²-5xy+4y²
k) (5x-2).(2x-1)
5x.2x-5x-2.2x+2
10x²-5x-4x+2
10x² -9x + 2
l) (3x+1).(3x-1)
3x.3x-3x+3x-1
9x² - 1
m) (2x+5).(2x-5)
2x.2x-2x.5+2x.5-5.5
4x²-10x+10x-25
4x² - 25
❤️❤️ Espero ter ajudado ❤️❤️
14/05/22