-20x-7=-3x^2

Simple and best practice solution for -20x-7=-3x^2 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 -20x-7=-3x^2 equation:


Simplifying
-20x + -7 = -3x2

Reorder the terms:
-7 + -20x = -3x2

Solving
-7 + -20x = -3x2

Solving for variable 'x'.

Combine like terms: -3x2 + 3x2 = 0
-7 + -20x + 3x2 = 0

Factor a trinomial.
(-1 + -3x)(7 + -1x) = 0

Subproblem 1

Set the factor '(-1 + -3x)' equal to zero and attempt to solve: Simplifying -1 + -3x = 0 Solving -1 + -3x = 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 + -3x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -3x = 0 + 1 -3x = 0 + 1 Combine like terms: 0 + 1 = 1 -3x = 1 Divide each side by '-3'. x = -0.3333333333 Simplifying x = -0.3333333333

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 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 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {-0.3333333333, 7}

See similar equations:

| -1+3x=-4+18x | | 3ln(x-3)=9 | | log(x+1)+log(x-3)=log(6x^2-6) | | (4b+3)a-25= | | 6(x-4)+5=2x+4(-4+x) | | 19-4x=7-8x | | 2x+21=17 | | 4x=52+(x+7) | | 6x+11=-37-2x | | 12y-4y+5=13 | | 30.25=120-10n | | 6e^6x-17e^3x+7=0 | | 5+35x=28x+8 | | 8n^2=72n-160 | | 12x-4=2x-5 | | 7x^2+17x=-6 | | 9x^3-5x^3-11x-5x^3-3x^2+x= | | -26+4x=-52+10x | | -7y-5=-6y-8 | | 20x^2=-11x+4 | | -x+(-4)=24 | | 6y=4y+8 | | -7y-5=6y-8 | | 66x^2-11x=0 | | x^4-5x^3-3=0 | | 42-5x=10-9x | | =3.2k-2k+1 | | 3x+10=-32-3x | | 10x+30x=800 | | 2.5r=125 | | 6x-12=6x-6 | | 256=16x |

Equations solver categories