Question

factorise (x+2)(x^+25)-10x^-20x

Answer 1

(x+2)(x^2+25) - 10x(x+2)
(x+2)(x^2+25-10x)
(x+2)(x-5)(x-5)

Answer 2

your questions=(x+2)(x^+25)-10x^2-20x
=(x+2)(x^2+25)-10x(x+2)
=(x+2)(x^2+25-10x)
=(x+2)( x^2+25-10x)
$- b \frac{ + }{ - } \sqrt{ - {b}^{2} - 4ac} \div 2a$
=(x+2)(x-5)(x-5)