Question

Find the roots of the quadratic equation 25x^2 + 25x + 4 = 0 by factorization method.

Answer 1

25x^2+25x+4=0

D= (25)^2-4×25×4

=625-400

= 225

x= -b+√D/2a

= -25+√225/2×25

=-25+15/50

= -10/50

= -1/5

x= 1

It doesn't solve by method of factorization