0=7x^2+12x-4

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


Simplifying
0 = 7x2 + 12x + -4

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

Solving
0 = -4 + 12x + 7x2

Solving for variable 'x'.

Combine like terms: 0 + 4 = 4
4 + -12x + -7x2 = -4 + 12x + 7x2 + 4 + -12x + -7x2

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

Combine like terms: -4 + 4 = 0
4 + -12x + -7x2 = 0 + 12x + -12x + 7x2 + -7x2
4 + -12x + -7x2 = 12x + -12x + 7x2 + -7x2

Combine like terms: 12x + -12x = 0
4 + -12x + -7x2 = 0 + 7x2 + -7x2
4 + -12x + -7x2 = 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
4 + -12x + -7x2 = 0

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

Subproblem 1

Set the factor '(2 + -7x)' equal to zero and attempt to solve: Simplifying 2 + -7x = 0 Solving 2 + -7x = 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 + -7x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7x = 0 + -2 -7x = 0 + -2 Combine like terms: 0 + -2 = -2 -7x = -2 Divide each side by '-7'. x = 0.2857142857 Simplifying x = 0.2857142857

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Solution

x = {0.2857142857, -2}

See similar equations:

| F(x)=x^4-x^3+x^2-3x-6 | | 6.5y+6.5y^2= | | h(t)=-2.6t^2+78t+5 | | 5p+3(-2q+5)=-7 | | 3(2+15)-6*2=-6(2-3) | | 5y+6= | | 221=x(x+4) | | f(x)/14-7x | | 22*2.54= | | 4-8x=-60 | | 2x+(5/2)=0 | | 5-8x=-51 | | .4x1/2 | | Y=x^4-x^3+x^2-3x-6 | | 53-4y=20 | | 6(v-4)=12 | | 7x-2=7(x-3) | | -4x^2+(-5)x^2-2x^2= | | 0.2x+5.3=4.6 | | x^2+-x-30=0 | | X/10=6/15 | | 32x+30z=58x+44 | | 10(d+100)=15d | | s=2wl+2wh+2lh | | x+5=4x-6 | | 180=w-8+20+w | | 12-2x/3 | | 8a^4b^5-20a^3b^2-16a^2b^4= | | .33(y+4)=3 | | 5k+2+k+3+2k= | | X-5x^(1/2)=8 | | 200=250-5*T-T*2 |

Equations solver categories