(1-u)(3u+7)=0

Simple and best practice solution for (1-u)(3u+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 (1-u)(3u+7)=0 equation:


Simplifying
(1 + -1u)(3u + 7) = 0

Reorder the terms:
(1 + -1u)(7 + 3u) = 0

Multiply (1 + -1u) * (7 + 3u)
(1(7 + 3u) + -1u * (7 + 3u)) = 0
((7 * 1 + 3u * 1) + -1u * (7 + 3u)) = 0
((7 + 3u) + -1u * (7 + 3u)) = 0
(7 + 3u + (7 * -1u + 3u * -1u)) = 0
(7 + 3u + (-7u + -3u2)) = 0

Combine like terms: 3u + -7u = -4u
(7 + -4u + -3u2) = 0

Solving
7 + -4u + -3u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(1 + -1u)(7 + 3u) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(7 + 3u)' equal to zero and attempt to solve: Simplifying 7 + 3u = 0 Solving 7 + 3u = 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 + 3u = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 3u = 0 + -7 3u = 0 + -7 Combine like terms: 0 + -7 = -7 3u = -7 Divide each side by '3'. u = -2.333333333 Simplifying u = -2.333333333

Solution

u = {1, -2.333333333}

See similar equations:

| 3p^2+16p+16=0 | | 0=2y^3+3y^2-8y-12 | | 0=2y^3+5y^2-5y-1 | | x^2+x-13=0 | | 7(6x+5)= | | 31=-7x-4 | | 6-9x+7+5x+5x-3=9+2*3 | | -6+-5=5x+5-5 | | -16+-5x=0 | | 5t-28=-52+9t | | 3z-17=-1+z | | -3*-3*-3-6(3)= | | -4-23-(13)+(-14)= | | 0.2n=10 | | -11=5x | | 14x-21= | | 12x^3-20x^2-147x+245= | | 5+-6x+6+5x+2x-2=6+2*4 | | 27x^3+125= | | 2x^3+9=x^2+18x | | z^6-1= | | 4y-2(y+1)=0 | | 8-9x+10+5x+5x-3=10+3*4 | | d-12=6 | | 17p=272 | | -3-1-(-5)+(-18)= | | -16x^2+28x+30= | | 5(3a-2)=35 | | 6x^4-150x^2= | | 4e-24=200 | | 9f+11=74 | | 5k+20=130 |

Equations solver categories