4(x^2)-7x-2=0

Simple and best practice solution for 4(x^2)-7x-2=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 4(x^2)-7x-2=0 equation:


Simplifying
4(x2) + -7x + -2 = 0

Reorder the terms:
-2 + -7x + 4x2 = 0

Solving
-2 + -7x + 4x2 = 0

Solving for variable 'x'.

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

Subproblem 1

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

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-0.25, 2}

See similar equations:

| 6x-10=5x-16 | | 21y=5(4y-7) | | 0.0011x^3-0.075x^2+1.6x+11=1990 | | -3x+1-x^2+7x=10 | | 7x-17x= | | 6z^3+36z^2=162z | | 3x+4y+8=9 | | 4y^3-12y^2-72y=0 | | 32-3y=-10 | | 39/2 | | 3(2r-7)=3(2r)-3(7) | | 15.20v=0.66v | | 18920=3x+a | | y=2x^2-4x-20 | | x^2+x^2=3721 | | x^2+x^2=3600 | | x^2+x^2=60 | | 2/0.4 | | 6=-5x^2+10x+6 | | (3x/4)-1=7 | | 3x^2-5x-2.7=0 | | 2(x-5)=4x-1 | | 15x^2-67x-38=0 | | 3z^3-15z^2-150z=0 | | 2x^4-3x^2+4=0 | | 2x+2y=60.4576 | | 2x^2+2y^2=60.4576 | | 2/7lg | | x^2+x^2=70.710 | | y-0=6(x-4) | | 30700=-36x^2+1440x+19224 | | 2lnx-ln(2x-3)=ln(2x)-ln(x-1) |

Equations solver categories