Question

Factorize
a. y² - 14y + 40
b. z² + 6a + 8​

Answer 1

y^-10y-4y+40

y(y-10) -4(y-10)

(y-10)(y-4)

if the question is

z^+6z+8

z^+2z+4z+8

z(z+2)+2(z+2)

(z+2)(z+2)