Question 644313
(2*2x+5)^2-(2.5x^2-6*2)=6x^2+40x+37

[(4x)^2+2*4x*5+5^2]-10x^2+12=6x^2+40x+37

(4^2*x^2+2*4*5x+25)-10x^2+12=6x^2+40x+37



Hope this helps you.