2u^2=5u-21=(u=3)^2

Simple and best practice solution for 2u^2=5u-21=(u=3)^2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 2u^2=5u-21=(u=3)^2 equation: 



2u^2=5u-21=(u=3)^2

We move all terms to the left:

2u^2-(5u-21)=0

We get rid of parentheses

2u^2-5u+21=0

a = 2; b = -5; c = +21;
Δ = b2-4ac
Δ = -52-4·2·21
Δ = -143
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 3x²-7x-5=0 | | 7+2a=-5+5a | | 80=2r-3.14r^2 | | -2(4×-7)=3x-8 | | 4p+5-79=-1 | | 50^3=x | | X*4,5-54=x+72 | | 50^3+829^950=x | | (11x+4)+5x+5x+(11x+4)=180 | | x^2+5x-63=3x | | 4x+80+16x=180 | | 3*2^x=24 | | 4x+80+16x=18 | | 17+12x-23=5x-2+3x | | 4w÷3=8 | | 3x+40+5x=180 | | 6(x-2)+5x=9x-(8+6x) | | 5x+60+9x=180 | | 12(2x-11)=144x | | 2(1/2x-1)=4 | | -2(-7n+3)=-8+2(1+6n) | | 6t-7+t-5=2t+4+9 | | 7(1-2x)=-21 | | 7(3-2k)=-5(4k-3) | | 9(x-4)=-2x+96 | | 6(p+12)=2 | | 6m-4=m-11 | | 6+g/2=56 | | 2x+60+4x=180 | | 1/2+y-15.25=4.25 | | 6(5k-8)=3(8k+6) | | 0.9+x=0.18 |

Equations solver categories