Question

(1) (7x
$(7 {x}^{2} y - 3z)(x + y + z)$
y - 32) (x + y + 2)​

Answer 1

Answer:

We have

(i) 3x + 7x = (3 + 7)x = 10x

(ii) -5xy + 9xy = ( -5 + 9)xy = 4xy