8u^2+55u-7=

Simple and best practice solution for 8u^2+55u-7= 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 8u^2+55u-7= equation:


Simplifying
8u2 + 55u + -7 = 0

Reorder the terms:
-7 + 55u + 8u2 = 0

Solving
-7 + 55u + 8u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(-7 + -1u)(1 + -8u) = 0

Subproblem 1

Set the factor '(-7 + -1u)' equal to zero and attempt to solve: Simplifying -7 + -1u = 0 Solving -7 + -1u = 0 Move all terms containing u to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1u = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1u = 0 + 7 -1u = 0 + 7 Combine like terms: 0 + 7 = 7 -1u = 7 Divide each side by '-1'. u = -7 Simplifying u = -7

Subproblem 2

Set the factor '(1 + -8u)' equal to zero and attempt to solve: Simplifying 1 + -8u = 0 Solving 1 + -8u = 0 Move all terms containing u to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -8u = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -8u = 0 + -1 -8u = 0 + -1 Combine like terms: 0 + -1 = -1 -8u = -1 Divide each side by '-8'. u = 0.125 Simplifying u = 0.125

Solution

u = {-7, 0.125}

See similar equations:

| 10x^2-13x-17=-8 | | 30=2n+20 | | 10x2y6z3/35x5y7z | | .33(-12x)=-24 | | 12(t-2)+3t=5(3t+5)-12 | | 49x^2+0x=36 | | 4(2x+5y)=8 | | (10v^2x^4)/(10v^4w^6-15v) | | -4(y-5y)+3=-2(2y-y)+7+17y | | forc=-3 | | -3y+5(-3y-9)=-4-2(7-y) | | 0.2(x+50)-0.07(x-30)=4.3 | | m6/m8 | | r^2/r^2 | | 0.3(x+40)-0.02(x-20)=18 | | -5y=7 | | 7u^2-57u+8= | | -5y=-7 | | 3x-1/9 | | 4x+5x^2=8x-7 | | 7x+131+3x+149=180 | | 6x+7=4x+53 | | 7x+141+3x+149=180 | | 6(-x)-1/-x^2 | | 140-3m=110 | | 4x-5+3x+12=180 | | 4x-5+3x+12=280 | | R^2-10r=-22 | | 4x-5=3x+12 | | C=1/6tm | | 6(6y-7)-(2y+2)= | | y+18=32 |

Equations solver categories