(8+u)(5u-7)=0

Simple and best practice solution for (8+u)(5u-7)=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 (8+u)(5u-7)=0 equation: 


Simplifying
(8 + u)(5u + -7) = 0

Reorder the terms:
(8 + u)(-7 + 5u) = 0

Multiply (8 + u) * (-7 + 5u)
(8(-7 + 5u) + u(-7 + 5u)) = 0
((-7 * 8 + 5u * 8) + u(-7 + 5u)) = 0
((-56 + 40u) + u(-7 + 5u)) = 0
(-56 + 40u + (-7 * u + 5u * u)) = 0
(-56 + 40u + (-7u + 5u2)) = 0

Combine like terms: 40u + -7u = 33u
(-56 + 33u + 5u2) = 0

Solving
-56 + 33u + 5u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(-8 + -1u)(7 + -5u) = 0


Subproblem 1
Set the factor '(-8 + -1u)' equal to zero and attempt to solve:

Simplifying
-8 + -1u = 0

Solving
-8 + -1u = 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 + -1u = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -1u = 0 + 8
-1u = 0 + 8

Combine like terms: 0 + 8 = 8
-1u = 8

Divide each side by '-1'.
u = -8

Simplifying
u = -8

Subproblem 2
Set the factor '(7 + -5u)' equal to zero and attempt to solve:

Simplifying
7 + -5u = 0

Solving
7 + -5u = 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 + -5u = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -5u = 0 + -7
-5u = 0 + -7

Combine like terms: 0 + -7 = -7
-5u = -7

Divide each side by '-5'.
u = 1.4

Simplifying
u = 1.4
Solution
u = {-8, 1.4}

See similar equations:

| y+1(9 +24)-28=21 | | -40-7x=8x-20 | | 3x+11=88-8x | | 128-3x=6x | | -61-2x=11 | | 72=54 | | a/72=54 | | 1+6x=61+1x | | 2*x=-6 | | x^4+5x^3-8x^2-12x=0 | | 7x=3x^2-5 | | 8=2x+11x | | 3x^2=9-x | | 10x+5(-2x+6)=30 | | 4x^2-15x+5=0 | | 5x+14=-3x+2 | | -4x+0=14 | | x-1=5+6 | | 6-x=2*3 | | 6-x=2.3 | | (a/b)2 | | 5x-3(2x-4)=3(4x-1)+5/2 | | -4x-1=-2x+7 | | x+10-5=20-5+6x | | x+10-5=20-5 | | 2x^2-28x-2+c=-50 | | 11x-121=5x-7 | | 7p^2+10p+3=0 | | 182-5x=31x+22 | | t(2y+4p)+(n+3h)=24 | | 9+4+7=29 | | m^4-2m^3+2m-1=0 |

Equations solver categories