Question

a) (-2x + 1). (3x2 - 5x + 8)
b) (5x2 + 3). (2x-6)
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Answer 1

Resposta:

a) (-2x + 1) * (3x*2-5x+8)

-2x * (3x * 2 - 5x + 8) + 1 (3x * 2 - 5x + 8)

-12x^2 + 10x^2 - 16x + 6x - 5x +8

-2x ^2 - 15x + 8

b) (5 * 2 + 3) * (2 x -  6)

(10 + 3) * (2x - 6)

13 (2x - 6)

26x - 78