Question

Q13) (x ²-5) (x + 5) + 25(x+5)​

Answer 1

Step-by-step explanation:

$( {x}^{2} - 5)(x + 5) + 25(x + 5) \\ x {}^{3} + 5x {}^{2} - 5x - 25 + 25x + 25 \\ x {}^{3} + 5x {}^{2} + 20x + 0 \\ x {}^{3} + 5x {}^{2} + 20x$

I hope it helps you...,.................