Question

Factorise the following:

(a) x(x + y – z) – y
^2

(b) 15x^3
y^2
+ 5x^2
y – 20x^4
y^
3​

Answer 1

Step-by-step explanation:

A.

Step 1 first we will multiply

$= x(x + y - z) - y {}^{2}$

$= x {}^{2} + xy - xz - y {}^{2}$

answer