Question

12. Simplify : (x2-5) (x + 5) + 25​

Answer 1

Answer:

I hope it will help you..

Answer 2

Answer:

$( {x}^{2} - 5)(x + 5) + 25 \\ \\ = {x}^{2} (x + 5) - 5(x + 5) + 25 \\ \\ = {x}^{3} + 5 {x}^{2} - 5x - 25 + 25 \\ \\ = {x}^{3} + 5 {x}^{2} - 5x \\ \\ = x( {x}^{2} + 5x - 5)$