2u^2-7u-4=

Simple and best practice solution for 2u^2-7u-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 2u^2-7u-4= equation:


Simplifying
2u2 + -7u + -4 = 0

Reorder the terms:
-4 + -7u + 2u2 = 0

Solving
-4 + -7u + 2u2 = 0

Solving for variable 'u'.

Factor a trinomial.
(-1 + -2u)(4 + -1u) = 0

Subproblem 1

Set the factor '(-1 + -2u)' equal to zero and attempt to solve: Simplifying -1 + -2u = 0 Solving -1 + -2u = 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 + -2u = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2u = 0 + 1 -2u = 0 + 1 Combine like terms: 0 + 1 = 1 -2u = 1 Divide each side by '-2'. u = -0.5 Simplifying u = -0.5

Subproblem 2

Set the factor '(4 + -1u)' equal to zero and attempt to solve: Simplifying 4 + -1u = 0 Solving 4 + -1u = 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 + -1u = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1u = 0 + -4 -1u = 0 + -4 Combine like terms: 0 + -4 = -4 -1u = -4 Divide each side by '-1'. u = 4 Simplifying u = 4

Solution

u = {-0.5, 4}

See similar equations:

| 7(6k-6)=6-6k | | 10x-21=2x | | a+2/2a+1=a/3+3/4a+2 | | log[x]729=3 | | (3w-7)w=66 | | 2ln(x+3)=5 | | y=2(0)-6 | | 3x^2+x^2+y^2+6y^2= | | -12=-6+3w | | 2a+4a+16a-18a=20 | | 2x+65=x+40 | | x+40=2x+65 | | x+(x-2)+(x+5)=33 | | y=2(3)-6 | | (x-6)(x-5)+(x-7)(x-4)=10 | | 3+2(y+1)=3 | | m=2s+3 | | x+(x-2)(x+5)=33 | | 10-3t+2s+2= | | 7(-2)+y=-12 | | x^4+7x^3+21x^2+63x+108=0 | | 7y+8given-5y-2=8 | | inx=-4 | | (-5)-9= | | 9j+11j+17j-18j-20j=-9 | | 2rs-3-5rs+6rs-s= | | 66=3w-7 | | 33x^5-44x^4=0 | | 8x^2+8x+10*8x^2+3x+5= | | -13-(-8)= | | 19d-3d+14d+d=6 | | 20=10y |

Equations solver categories