Question

11.Simplify (i) (x 2 − 5)(x + 5) + 25 (ii) (a 2 + 5)(b 3 + 3) + 5

Answer 1

Answer:

1) (2x-5)(x+5)+ 25

Step-by-step explanation:

2x(x+5)-5(x+5)+25

(2x²+10x-5x-25)+25

(2x²+5x-25)+25