-7u+18=u^2

Simple and best practice solution for -7u+18=u^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 -7u+18=u^2 equation:


Simplifying
-7u + 18 = u2

Reorder the terms:
18 + -7u = u2

Solving
18 + -7u = u2

Solving for variable 'u'.

Combine like terms: u2 + -1u2 = 0
18 + -7u + -1u2 = 0

Factor a trinomial.
(2 + -1u)(9 + u) = 0

Subproblem 1

Set the factor '(2 + -1u)' equal to zero and attempt to solve: Simplifying 2 + -1u = 0 Solving 2 + -1u = 0 Move all terms containing u to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1u = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1u = 0 + -2 -1u = 0 + -2 Combine like terms: 0 + -2 = -2 -1u = -2 Divide each side by '-1'. u = 2 Simplifying u = 2

Subproblem 2

Set the factor '(9 + u)' equal to zero and attempt to solve: Simplifying 9 + u = 0 Solving 9 + u = 0 Move all terms containing u to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + u = 0 + -9 Combine like terms: 9 + -9 = 0 0 + u = 0 + -9 u = 0 + -9 Combine like terms: 0 + -9 = -9 u = -9 Simplifying u = -9

Solution

u = {2, -9}

See similar equations:

| 2(w+3)(w-1)-(a+104)=0 | | 14x-(7x-6)=27 | | logx+2logx=0 | | x=242cos | | 14x-(9x-3)=43 | | 2c^2=32 | | 840+-3y=340+-1y | | F(x)=x^4+6x^3+17x^2+28+20 | | 10*x=8.9432 | | 340+-1y=590+-2y | | 10-x=8.9432 | | x=6+-0.75y | | (2x-3)*(x-5)=9 | | 42=33-3(x-1) | | (-3)-q=-81 | | -3+q=-80 | | 4x-13-5x=65x-36 | | x+y=340 | | 10x+(x-7)=10(x-7)+x | | -3q=-80 | | 840+-3y=370+-1y | | x+3y=840 | | x+2y=590 | | 3x+2(3)=16 | | 3(3)+2y=16 | | 12v-4v=64 | | 16c^2+40ct+25t^2=0 | | x+y=370 | | h(t)=t^2-4t-1 | | 6x^3+5x^2+x=v | | 16r^2-56r+49=0 | | 6x^3+5x^2+t=v |

Equations solver categories