Question

factorise using identity x²+10x+25​

Answer 1

Step-by-step explanation:

x²+ 10x + 25x = x² + (5x +5x) +25

x² + (5x + 5x) + 25 = (x² + 5x) + ( 5x + 25)

(x² + 5x) = x(x + 5) and (5x + 25) = 5(x +5)

(x² + 5x) + 5(x +5) = x(x +5) + 5(x+5)

= (x+5) (x+5)