(2u-5)(8-u)=0

Simple and best practice solution for (2u-5)(8-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 (2u-5)(8-u)=0 equation: 


Simplifying
(2u + -5)(8 + -1u) = 0

Reorder the terms:
(-5 + 2u)(8 + -1u) = 0

Multiply (-5 + 2u) * (8 + -1u)
(-5(8 + -1u) + 2u * (8 + -1u)) = 0
((8 * -5 + -1u * -5) + 2u * (8 + -1u)) = 0
((-40 + 5u) + 2u * (8 + -1u)) = 0
(-40 + 5u + (8 * 2u + -1u * 2u)) = 0
(-40 + 5u + (16u + -2u2)) = 0

Combine like terms: 5u + 16u = 21u
(-40 + 21u + -2u2) = 0

Solving
-40 + 21u + -2u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(-8 + u)(5 + -2u) = 0


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

Simplifying
-8 + u = 0

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

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

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

Simplifying
u = 8

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

Simplifying
5 + -2u = 0

Solving
5 + -2u = 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 + -2u = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -2u = 0 + -5
-2u = 0 + -5

Combine like terms: 0 + -5 = -5
-2u = -5

Divide each side by '-2'.
u = 2.5

Simplifying
u = 2.5
Solution
u = {8, 2.5}

See similar equations:

| 5(7x+3y)-4(8x^2-7y^2)= | | 2.6x-86=1.5x+2 | | x-12.50+0.1x=0.2 | | 9.8=5x+8.5 | | 6.5x+8-3.5x=5 | | -4y+7=27 | | y^4+2x^2-4xy=-2 | | -5(9a+6)= | | 0.5x+0.1=1.9 | | 2x+15=15x+13 | | 2(x-7.1)=9.4 | | -5=-5+d | | 6x+8.57=3x+14 | | a+18=75 | | 31.82-2y=-4.5+3.92 | | x^2-5x-14=17 | | -9b^2+8b-8=0 | | 3x1/3= | | 4ln(3x-5)3=18 | | -20x+29=20x+29 | | (x-7)(x+2)=17 | | 19x+16=86 | | p-13=31 | | a(x)+b=c | | 7e-4(6+2w)=3(w-8) | | -4(5x-7)+1=20x+29 | | 25x+20=78 | | 47x=46x+1 | | 60+4n=76 | | 40x+18=86 | | 3(x+2)-8x=4x+1 | | 20x-10=110 |

Equations solver categories