3x^2-7+20x=

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


Simplifying
3x2 + -7 + 20x = 0

Reorder the terms:
-7 + 20x + 3x2 = 0

Solving
-7 + 20x + 3x2 = 0

Solving for variable 'x'.

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {-7, 0.3333333333}

See similar equations:

| 4.9t^2-6.9t-1.5=0 | | F(x)=4x^7-x^2 | | F(x)=4x^2-x^2 | | 6x+2=9x-16 | | 10(s-9)=-142 | | 0.3x^2+0.5x-1.9=0 | | 42=2(4x-3) | | 5(3s+3)=150 | | 2(2x-1)-4=-26 | | -0.096x^2+4.8x=0 | | 8(2l+10)=144 | | 5(y-3)=9y-47 | | 2ax=2x-4 | | (y-176)(-8/19)=x | | x^5-13x^3+26x^2+82x+104=0 | | -5x+10=9x-18 | | 2k-4/-43 | | x^3+6x^2-95x-14=0 | | 50-20-15-9-6=1 | | 5(2x+3)=4x+24 | | 5x-20=5-5x | | -2h-28h-98=0 | | x^2-35x+76=0 | | 2x+19=-2x-1 | | 2x+x+5+2x+10=115 | | x-26=1 | | x(y+i)+y(x-i)=2x+2yi | | 2(5t-1)+t=10+t | | -sinx^2-2cosx=o | | 3ax=4x-3 | | 4x+(-9)=6x+(-13) | | x-10+2x+20=130 |

Equations solver categories