Question

Fatore as expressões quadráticas: a)x² +3x - 10 b)x² - 2x - 35 c)x² - 6x + 8 d) a² + 14a + 45

Answer 1

a)x² +3x - 10 = (x-2)(x+5)

b)x² - 2x - 35 = (x+5)(x-7)

c)x² - 6x + 8 = (x-2)(x-4)

d) a² + 14a + 45 = (a+5)(a+9)