(8+u)(4u-9)=0

Simple and best practice solution for (8+u)(4u-9)=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)(4u-9)=0 equation:


Simplifying
(8 + u)(4u + -9) = 0

Reorder the terms:
(8 + u)(-9 + 4u) = 0

Multiply (8 + u) * (-9 + 4u)
(8(-9 + 4u) + u(-9 + 4u)) = 0
((-9 * 8 + 4u * 8) + u(-9 + 4u)) = 0
((-72 + 32u) + u(-9 + 4u)) = 0
(-72 + 32u + (-9 * u + 4u * u)) = 0
(-72 + 32u + (-9u + 4u2)) = 0

Combine like terms: 32u + -9u = 23u
(-72 + 23u + 4u2) = 0

Solving
-72 + 23u + 4u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(-8 + -1u)(9 + -4u) = 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 '(9 + -4u)' equal to zero and attempt to solve: Simplifying 9 + -4u = 0 Solving 9 + -4u = 0 Move all terms containing u to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -4u = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4u = 0 + -9 -4u = 0 + -9 Combine like terms: 0 + -9 = -9 -4u = -9 Divide each side by '-4'. u = 2.25 Simplifying u = 2.25

Solution

u = {-8, 2.25}

See similar equations:

| 2/5(3+x) | | 8*7x=70-25 | | 2(x-1)=6(2x+2) | | 2x+y=x+2y | | 8=4+2h | | 152x+35y+23=-56x+32y | | (2x-3)(3x+1)=(3x-4)(2x-2) | | 7=3+2h | | 5y-5y+12=-5y-5y+8 | | (7a+11)(4a+12)+(15a+8)(7a+11)=0 | | 3(x-4)=80-2(3x+1) | | -3*6+2y=2 | | -3*3+2y=2 | | y/10=7 | | 5x+5+7x-19=180 | | -16t^2+8t+30=0 | | 1.00/5.00(750.00+x)=350.00 | | -3*2+2y=2 | | m+-799=-468 | | -3*1+2y=2 | | 1.00/5.00(750.00+x)=290.00 | | 6x-2/3(9-15y)=4x+8-4y | | -3*0+2y=2 | | 3x-6=69 | | (x+5)(x+5)=56 | | 14+4*n=2 | | 1/3(100+x)=350 | | 4p+3q=46 | | -11h=-176 | | -529=-23z | | 1/3(50+x)=80 | | 4h+5h=9 |

Equations solver categories