(7+u)(3u+8)=0

Simple and best practice solution for (7+u)(3u+8)=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 (7+u)(3u+8)=0 equation:


Simplifying
(7 + u)(3u + 8) = 0

Reorder the terms:
(7 + u)(8 + 3u) = 0

Multiply (7 + u) * (8 + 3u)
(7(8 + 3u) + u(8 + 3u)) = 0
((8 * 7 + 3u * 7) + u(8 + 3u)) = 0
((56 + 21u) + u(8 + 3u)) = 0
(56 + 21u + (8 * u + 3u * u)) = 0
(56 + 21u + (8u + 3u2)) = 0

Combine like terms: 21u + 8u = 29u
(56 + 29u + 3u2) = 0

Solving
56 + 29u + 3u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(7 + u)(8 + 3u) = 0

Subproblem 1

Set the factor '(7 + u)' equal to zero and attempt to solve: Simplifying 7 + u = 0 Solving 7 + u = 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 + u = 0 + -7 Combine like terms: 7 + -7 = 0 0 + u = 0 + -7 u = 0 + -7 Combine like terms: 0 + -7 = -7 u = -7 Simplifying u = -7

Subproblem 2

Set the factor '(8 + 3u)' equal to zero and attempt to solve: Simplifying 8 + 3u = 0 Solving 8 + 3u = 0 Move all terms containing u to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 3u = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 3u = 0 + -8 3u = 0 + -8 Combine like terms: 0 + -8 = -8 3u = -8 Divide each side by '3'. u = -2.666666667 Simplifying u = -2.666666667

Solution

u = {-7, -2.666666667}

See similar equations:

| -5(-10n+6)=-5(-11-9n) | | 12-7(x-4)+x=-2x | | (2x+5y)(3x-2y)= | | 224=2w+2(2w-8) | | 3x-6y=5x+4 | | 6x*2+x-2=0 | | x+(x+0.6)=500 | | 14=0.6x-(10+0.2x) | | 4=(3/w+2) | | 3+(2+8)=n+10 | | (11y/10)+2=(9y/8) | | 15x+11=23x+7 | | 7(1-7x)-11=5(-9x+12) | | 9(2x+5)=6 | | (u/5)-(9/20)=(u/4) | | 350=2w+2(3w-5) | | D(t-6)= | | u/5=(u/3)+4 | | x/-2-7=-3×-2 | | 6x+65=11x-4 | | x(x+0.6)=500 | | 0.25+1.5=n+1.5 | | x/2-7=-3×-2 | | X+(y+15)=55 | | 2x+3x-1=18 | | 9x(-5-6x)-1.3=0 | | 0=x^4-25 | | x*2-4x-5=0 | | 5x+x=232 | | 10-3x+8x=26 | | 11/10=r/11 | | 13=r/9x8 |

Equations solver categories