Question

Write the identity a) (x+y+z+1. b) (x+a)(x+b)​

Answer 1

Answer:

b. = x^2 -b(x+a) –ax.

Step-by-step explanation:

a.

b.(x-a)(x-b) is equal to x^2-xb-ax-ab= x^2 -x(b+a) –ab or = x^2 -b(x+a) –ax.