2x^2=30-7x

Simple and best practice solution for 2x^2=30-7x 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 2x^2=30-7x equation:


Simplifying
2x2 = 30 + -7x

Solving
2x2 = 30 + -7x

Solving for variable 'x'.

Reorder the terms:
-30 + 7x + 2x2 = 30 + -7x + -30 + 7x

Reorder the terms:
-30 + 7x + 2x2 = 30 + -30 + -7x + 7x

Combine like terms: 30 + -30 = 0
-30 + 7x + 2x2 = 0 + -7x + 7x
-30 + 7x + 2x2 = -7x + 7x

Combine like terms: -7x + 7x = 0
-30 + 7x + 2x2 = 0

Factor a trinomial.
(-6 + -1x)(5 + -2x) = 0

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Solution

x = {-6, 2.5}

See similar equations:

| 34w-5=1-34w | | 7x+8=5x+20 | | 5x+4=5.1 | | x+1.5x=-25 | | 6y/y-8+3=y-40/y+8 | | (x)=-4x+7 | | x/0.15=200 | | 5500x=-5 | | 6x+-7=13x | | y+4/3=y-2/8 | | x^2+20+100=0 | | C=18+35(110) | | 6x+5y=1500 | | R=80(110)+12 | | 2x-25=-7x | | 10+4x=1/2y | | 9x-25-8x+13=0 | | -8+6x+3(2-x)=1/3(6x-3) | | 9x-23=54+2x | | S(17)=4c-(25-c) | | 4x/7-3=9 | | 3/20-1/10 | | (x+7)+(2x+3)+(5x-6)= | | z=-x^3-25y^3+3x^2+75y | | -2/3t-2=5 | | 10C=9Y^2-3 | | 3(x-5)-12=(x-6)+3 | | 45=bx-9 | | X^4-6X^3+9X^2+8X-12=0 | | 2ax+ay+2bx+by= | | 1/4-2/5-1/10 | | 6(x)-.12=.48 |

Equations solver categories