Question

Root 2 x square + 7 x + 5 is equal to zero solve the followequation and find the root by authorization

Answer 1

Answer:

$2x^{2}+7x+5=0$

a= 2, c= 5

a*c=10

Factors of 10:- 2, 5

$2x^{2}+7x+5=0\\2x^{2}+2x+5x+5=0\\ 2x(x+1)+5(x+1)=0\\x+1=0\\ 2x+5=0\\Therefore, x=-1 and -5/2$