2x^2+7x=30

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


Simplifying
2x2 + 7x = 30

Reorder the terms:
7x + 2x2 = 30

Solving
7x + 2x2 = 30

Solving for variable 'x'.

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

Combine like terms: 30 + -30 = 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:

| 6y+13y=152 | | 0.6(3x+6)=1.3-(x+2) | | 7.48=2(3.14) | | X^3+2x^2-25x-50=0 | | 25t+1=5(5t+1) | | -10.2x=61.2 | | 3t=-36 | | 4p=-12 | | 2X-2B=10 | | -4(4b+2)+(17b-5)=0 | | 5.4q-1.6-4.7q=-0.3q-1.2 | | 12x+8-4=11x-4 | | -5y+6=-6y+2 | | 27x^2-28x=0 | | 11+x=-4 | | 7e-15=-1 | | 4k^3=9k^2 | | 6x-2y=-6 | | x+.125=-.25 | | 11(t-6)+4t=5(3t+4)-10 | | -4x+8=2x-16 | | s-48=-43 | | 4x-5=2x+16 | | 5.5=x-5.5 | | -2i(5+i)= | | 5y-2=2y+13 | | 7(q+2)=q+14 | | 14x+6=35x-35 | | 2(m+5)=75+15 | | 1.60=0.40+s | | 80-3n=5n+8 | | 5x+8y=40 |

Equations solver categories