If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5x*2x=4x-40
We move all terms to the left:
5x*2x-(4x-40)=0
Wy multiply elements
10x^2-(4x-40)=0
We get rid of parentheses
10x^2-4x+40=0
a = 10; b = -4; c = +40;
Δ = b2-4ac
Δ = -42-4·10·40
Δ = -1584
Delta is less than zero, so there is no solution for the equation
| x3+7x2+3x+21=0 | | 3(n+2)=n+26 | | -.33x+.5=-.4x+.25 | | 10x+20=10(16)+20 | | 10x=20=10(16)+20 | | 5/x=25/65 | | 8x-4+66x-12=180 | | (-1/3x)+(1/2)=-(2/5x)+(1/4) | | 3x+5x-15=90 | | (w+2)(w−3)=0. | | (2x+4)*3=138 | | 5x−5=9x+3 | | -.5x+6=-1.5x-1 | | 3q/6-7=8 | | g12=29 | | 6n-n=20 | | z+427=838 | | 36+8x=5(5x-6)-2 | | 5x-18=3x+43 | | 37-6+57=2x-x | | 44=(3x+5) | | 5q/2-7=18 | | 6x+12=3x=6 | | p/8=-8 | | 5x=6x5 | | -8p=-10 | | 5−2n=-3n | | k−32=-31 | | -8h=-9h+10 | | 10m=-10+9m | | c-29=30 | | (x*1/4-5/6)/1/2=x*2/3-3/2 |