-4x^2+12x+7=0

Simple and best practice solution for -4x^2+12x+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 -4x^2+12x+7=0 equation:


Simplifying
-4x2 + 12x + 7 = 0

Reorder the terms:
7 + 12x + -4x2 = 0

Solving
7 + 12x + -4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + -2x)(1 + 2x) = 0

Subproblem 1

Set the factor '(7 + -2x)' equal to zero and attempt to solve: Simplifying 7 + -2x = 0 Solving 7 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2x = 0 + -7 -2x = 0 + -7 Combine like terms: 0 + -7 = -7 -2x = -7 Divide each side by '-2'. x = 3.5 Simplifying x = 3.5

Subproblem 2

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

Solution

x = {3.5, -0.5}

See similar equations:

| 6.76+5.4x=11.6 | | 15x+4=3(5x+1)-x+7 | | 9y-13.9=5.9 | | 3.4+1.2= | | 6(2+x)=54 | | y+1.2=4.6 | | (x^3+3x2+3x+1)/(x+1) | | 4-x=4x+14 | | -1/3x+2=-2 | | (2x)(3x+2)(x-5)=0 | | 9x+3=7x-7 | | 2x^4-x^3+7x^2-4x-4=0 | | 3(5+6x)=-57 | | x+102+95=180 | | 124=3q | | 4(1x+6)=24 | | -5/10x=5/32 | | -5/10/-5/32 | | 2+18x+70=180 | | 15=(2x+4)+3 | | 7x+3=5x-3 | | 4.4=2.2s | | x^2-8(x)+7=y | | n-8.09=-11.3 | | 5x/6=2 | | x^2-3x=2.25 | | x^2-8+7=y | | 10x+2-6x=6 | | 9+3x=x+31 | | 2x^2+11x=0o | | (x^3+3x^2+3x+1)/(x+1) | | -12(x+5)+633=15+18 |

Equations solver categories