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

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


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

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

Multiply (8 + 5u) * (7 + u)
(8(7 + u) + 5u * (7 + u)) = 0
((7 * 8 + u * 8) + 5u * (7 + u)) = 0
((56 + 8u) + 5u * (7 + u)) = 0
(56 + 8u + (7 * 5u + u * 5u)) = 0
(56 + 8u + (35u + 5u2)) = 0

Combine like terms: 8u + 35u = 43u
(56 + 43u + 5u2) = 0

Solving
56 + 43u + 5u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(7 + u)(8 + 5u) = 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 + 5u)' equal to zero and attempt to solve:

Simplifying
8 + 5u = 0

Solving
8 + 5u = 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 + 5u = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 5u = 0 + -8
5u = 0 + -8

Combine like terms: 0 + -8 = -8
5u = -8

Divide each side by '5'.
u = -1.6

Simplifying
u = -1.6
Solution
u = {-7, -1.6}

See similar equations:

| (t^2+8t+16)*[(t+4)-4]= | | 45+15x=90 | | c=1/2gp | | -8(3x+2)+6x=56 | | 2(7x-7)=30 | | 95=-5(1-5a) | | (X^5)/32=1 | | (t^2+8t+16)*(-4t-16)= | | T=4.5 | | 9(9)+18(18)=x(x) | | 6y-16y=-35-45 | | -16t^2+12t+800=0 | | 14=17-6/2 | | -16t^2+14t+900=0 | | 7-y=26 | | N+nsquared-90=0 | | 4(2c-1)-2=3c+9 | | -16t^2+12t+900=0 | | -48=6x | | 2/5x+1=1/8+x | | 4(2c-1)-2=3+9 | | 7(x-1)=3(x+2)-x | | 3/5x-11=22 | | -(5-x)=-10 | | -(6-x)=-12 | | 3=16 | | 3X-6=247 | | -(5t-t)=-10 | | 3+-6=4(t+4) | | 9x-36=9x-33 | | 37x/3-145y/12-xy/6 | | -5(t+2)=5 |

Equations solver categories