Question

please answer with full explanation​

Answer 1

Answer:

11.a) x²-5x+4

x²-(4+1)x+4

x²-4x-x+4

x(x-4)-1(x-4)

(x-4)(x-1)

b) y²+2y-15

y²+(5-3)y-15

y²+5y-3y-15

y(y+5)-3(y+5)

(y+5)(y-3)

Answer 2

Answer:

I hope answer is helpful to us