Question

ajuda ae pls, ksk :)))

Answer 1

a) 3(x+y) = 3x+3y

b) 2x(x²-2x+5) = 2x³ - 4x² + 10x

c) (x+5)(x+2) = x²+2x+5x+10 = x²+7x+10

d) (3x+2)(2x+1) = 6x²+3x+4x+2 = 6x²+7x+2

e) 3x(x+2)(x-1) = (3x²+6x)(x-1) = 3x³-3x²+6x²-6x = 3x³+3x²-6x

f) (x+2y-3)(2+y-3x) = 2x+xy-3x²+4y+2y²-6xy-6-3y+9x = -5xy - 3x² + 2y² + 11x + y - 6