5u^2+u=4

Simple and best practice solution for 5u^2+u=4 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^2+u=4 equation:


Simplifying
5u2 + u = 4

Reorder the terms:
u + 5u2 = 4

Solving
u + 5u2 = 4

Solving for variable 'u'.

Reorder the terms:
-4 + u + 5u2 = 4 + -4

Combine like terms: 4 + -4 = 0
-4 + u + 5u2 = 0

Factor a trinomial.
(-1 + -1u)(4 + -5u) = 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 '(4 + -5u)' equal to zero and attempt to solve: Simplifying 4 + -5u = 0 Solving 4 + -5u = 0 Move all terms containing u to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -5u = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -5u = 0 + -4 -5u = 0 + -4 Combine like terms: 0 + -4 = -4 -5u = -4 Divide each side by '-5'. u = 0.8 Simplifying u = 0.8

Solution

u = {-1, 0.8}

See similar equations:

| Qs=0.5P-0.5 | | f(x)=-(x-2)+4 | | f(x)=2x+6x-8 | | (8r-3tsquared)squared= | | (8r-3t)squared= | | 2t+3u= | | 4/5x-5=4 | | 8b^2-104b+288= | | f-4/5+6f=20 | | 0.2=76+4x | | 4(c+4)=3c-7 | | 7.5x^2+x-1=0 | | -11(-2)(-3)= | | 9+18X-2=115 | | t-13=-t+4 | | 6s-18=-21+5s | | 8x^2+16x-20=0 | | (5u+9)(6-u)=0 | | 5s-28=-46+3s | | 4x^2+14x+-9=0 | | (2x-7)(2x+7)+(x-3)(x+3)=4x^2+8x-73 | | a+a+(a-4)=(a+5)-(a+1) | | X=-14±√14^2-4(4)(-9)/2(4) | | -86=-9x+4 | | 0.2=4(15+4+x) | | 2/3*11 | | 3/x-4/5=-1/5 | | -3/10Y=-9 | | c*c-8=-13c+6 | | -2/3=4/5 | | (v+4)(v-8)=0 | | .1x+.3y=-1.9 |

Equations solver categories