Question

Factorise: x²+10x -75. plz slove it ​

Answer 1

Answer:

${x}^{2} + 10x - 75 \\ = {x}^{2} + 15x - 5x - 75 \\ = x(x + 15) - 5(x + 15) \\ = (x + 15)(x - 5)$

This should be correct answer