Question

(X+2)×(x-3)b)(x+y+1)×(x+4)

Answer 1

Explicação passo-a-passo:

a) (x + 2) × (x - 3) =

x² - 3x + 2x - 6 =

x² - x - 6

b) (x + y + 1) × (x + 4) =

x² + 4x + xy + 4y + x + 4 =

x² + 5x + xy + 4y + 4