2x^2=7+5x

Simple and best practice solution for 2x^2=7+5x 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=7+5x equation:


Simplifying
2x2 = 7 + 5x

Solving
2x2 = 7 + 5x

Solving for variable 'x'.

Reorder the terms:
-7 + -5x + 2x2 = 7 + 5x + -7 + -5x

Reorder the terms:
-7 + -5x + 2x2 = 7 + -7 + 5x + -5x

Combine like terms: 7 + -7 = 0
-7 + -5x + 2x2 = 0 + 5x + -5x
-7 + -5x + 2x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-7 + -5x + 2x2 = 0

Factor a trinomial.
(-1 + -1x)(7 + -2x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -2x)' equal to zero and attempt to solve: Simplifying 7 + -2x = 0 Solving 7 + -2x = 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 + -2x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2x = 0 + -7 -2x = 0 + -7 Combine like terms: 0 + -7 = -7 -2x = -7 Divide each side by '-2'. x = 3.5 Simplifying x = 3.5

Solution

x = {-1, 3.5}

See similar equations:

| 52w-16=4 | | h=-16t^2-13t+100 | | 3q+4q=14 | | 2/3m-4=10 | | 14y-13y=7 | | 3/5(4x+11)=4(1-3x)+17 | | 52w-4=16 | | (3)/(x-3)-(x)/(x-4)=(-5)/(x^2-7x+12) | | 52w+16=4 | | -56=8t | | 4x-10y=11 | | 13-3d=-18 | | 1/6(x+2)=2x-4(4-x)-7 | | 3x^2-108x+729=0 | | x/25=9.75 | | (2t^2+t+3)(4t^2+2t-2)= | | 5.2a+15=56.6 | | 7x+0=-7 | | (-5)-12= | | 3/4x-7=8 | | 25x=9.75 | | y=7x+292 | | -(6x-4)-(5x-3)+6=-9(x-5)-(5x+8)+5 | | 61=3x+7 | | 6t(2t-3)-5(2t^2+9t-3)= | | 2x^2-15x+800= | | -12x-5= | | 750/x=5 | | 6+5/x=x+2 | | 61=3+7 | | x+30+2/5+3/5 | | y=2(4-y)+1 |

Equations solver categories