-9u^2-30u-25=0

Simple and best practice solution for -9u^2-30u-25=0 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 -9u^2-30u-25=0 equation:


Simplifying
-9u2 + -30u + -25 = 0

Reorder the terms:
-25 + -30u + -9u2 = 0

Solving
-25 + -30u + -9u2 = 0

Solving for variable 'u'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(25 + 30u + 9u2) = 0

Factor a trinomial.
-1((5 + 3u)(5 + 3u)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(5 + 3u)' equal to zero and attempt to solve: Simplifying 5 + 3u = 0 Solving 5 + 3u = 0 Move all terms containing u to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3u = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3u = 0 + -5 3u = 0 + -5 Combine like terms: 0 + -5 = -5 3u = -5 Divide each side by '3'. u = -1.666666667 Simplifying u = -1.666666667

Subproblem 2

Set the factor '(5 + 3u)' equal to zero and attempt to solve: Simplifying 5 + 3u = 0 Solving 5 + 3u = 0 Move all terms containing u to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 3u = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3u = 0 + -5 3u = 0 + -5 Combine like terms: 0 + -5 = -5 3u = -5 Divide each side by '3'. u = -1.666666667 Simplifying u = -1.666666667

Solution

u = {-1.666666667, -1.666666667}

See similar equations:

| 3(x-1)=2x+9 | | -x-4/5=x+1/4+2/5 | | v^2-6v-6=0 | | x/70=98 | | 15+2n=n+47 | | (x^2)/(4x^2-0.8x+0.16)=53.3 | | 3x-6x-15=-3x+4-15 | | 14x^2y^2+9xy-18=0 | | 5y-10x+15=0 | | -6.2-(7.5)= | | 0.12(y-1)+0.02y=0.04y-0.01(20) | | x+7=10/5 | | 6x+12=-24 | | (x^2)/(x^2-0.8x+0.16)=53.3 | | 10-(4x-6)=8-5x | | 12r^2+29r+15=0 | | -5-6x=-11+2x | | -10-7x+6x^2=0 | | -5-6x=-11+22 | | 2b-14=0 | | 3(t+3)-3(5t+1)=-13(t+1)+2 | | -35x^2-9x+2=0 | | -7(x+1)-17=21+4 | | 3b-33=0 | | 2x^2-600=0 | | 64x^2-69x-2=0 | | 14x=14x+9 | | 3x+4x-7=12 | | 10+2y=2(1x+5) | | 9x-7=5+8x | | 5(n+1)=45 | | 2x+16=4x+4 |

Equations solver categories