(9-u)(4u+1)=0

Simple and best practice solution for (9-u)(4u+1)=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 (9-u)(4u+1)=0 equation:


Simplifying
(9 + -1u)(4u + 1) = 0

Reorder the terms:
(9 + -1u)(1 + 4u) = 0

Multiply (9 + -1u) * (1 + 4u)
(9(1 + 4u) + -1u * (1 + 4u)) = 0
((1 * 9 + 4u * 9) + -1u * (1 + 4u)) = 0
((9 + 36u) + -1u * (1 + 4u)) = 0
(9 + 36u + (1 * -1u + 4u * -1u)) = 0
(9 + 36u + (-1u + -4u2)) = 0

Combine like terms: 36u + -1u = 35u
(9 + 35u + -4u2) = 0

Solving
9 + 35u + -4u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(9 + -1u)(1 + 4u) = 0

Subproblem 1

Set the factor '(9 + -1u)' equal to zero and attempt to solve: Simplifying 9 + -1u = 0 Solving 9 + -1u = 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 + -1u = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1u = 0 + -9 -1u = 0 + -9 Combine like terms: 0 + -9 = -9 -1u = -9 Divide each side by '-1'. u = 9 Simplifying u = 9

Subproblem 2

Set the factor '(1 + 4u)' equal to zero and attempt to solve: Simplifying 1 + 4u = 0 Solving 1 + 4u = 0 Move all terms containing u to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 4u = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4u = 0 + -1 4u = 0 + -1 Combine like terms: 0 + -1 = -1 4u = -1 Divide each side by '4'. u = -0.25 Simplifying u = -0.25

Solution

u = {9, -0.25}

See similar equations:

| 5.50x=71.50 | | 3x-9=4x-16 | | 8c=60.00 | | x+(-11)=0 | | x+(-12)=0 | | x+(-9)=0 | | Y=100+.9(Y-500)+200+500+250 | | 3x-10+2x+11=180 | | 2x^2+35x=-15 | | -7w+6=-4w^2 | | x+(-100)=0 | | x+44=0 | | n-(5n+2)=3(n-1) | | x+21=0 | | 420=82p | | 7x-6(3-x)=26 | | 8-3(6-4x)=0 | | 9(y-2)=-27 | | x^3-10x^2+28x-24=0 | | 6x+12=4y+22 | | 3r+12=-4 | | 413=0.5x+36x-145 | | -z^2=-12z+6 | | 0.7x-0.5x-4=-5 | | 12x^5-48x^3=0 | | 4x^2y-16xy-y^2= | | 9w-12x-2=7 | | 3=-6n+3n | | 3(2x-3)=6x+9 | | (4*5)/273=(10*x)/273 | | 2x^2+5x=125 | | x+3+14=118 |

Equations solver categories