Question

Rosolva os polinômios
a)(x-4)(x-4)
B)(x+2y)(x+2y)(x+2y)
C)(x-y)(x-y)(x-y)
D)(x-5)(x-5)

Answer 1

a)

x²-4x-4x+16
x²-8x+16

b)

(x²+2xy+2xy+4y²)(x+2y)
(x²+4xy+4y²)(x+2y)
x³+4x²y+4xy²+2x²y+8xy²+8y³
x³+6x²y+12xy²+8y³

c)

(x²-xy-xy+y²)(x-y)
(x²-2xy+y²)(x-y)
(x³-2x²y+xy²-x²y+2xy²+y³)
x³-3x²y+3xy²+y³

d)

x²-5x-5x+25
x²-10x+25