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

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

Solving
-7 + 2x2 = 5x

Solving for variable 'x'.

Reorder the terms:
-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:

| (2)69.5+x^2=(2)102 | | 6-1/0+2*2= | | 8(t+1.5)=16t | | 13x+15=-2x^2 | | 5y-15/4=-2y | | -15y-2y=23 | | s(-2,-1)= | | 6(2x+1)=4x-2 | | (4+x)(4+x)(4+x)=216 | | (x+2)(x-2+5i)(x-2-5i)=0 | | 3+1(2x-14)=2 | | -5x-59=-11x+31 | | X^4-12x^2-60=0 | | 6(5s-15)-12(2s+8)=0 | | 2x^2-3x=2x-2 | | 2n+4=6n-14 | | 1=(9w-w^3) | | y=cos^7((pi)(x)-20) | | 1823/37= | | 0.1x+0.4=3.1 | | -4+7(71-3m)= | | 6x-126=43-7x | | 2/5f=-8 | | 39x-117= | | -x+8=72 | | 8v=4+10v | | h/7-3=9 | | 7x+9(1-2x)=4-7(x+1) | | q^3-7q^2+12q= | | (2x-3)/(6x-9) | | 8x-112=x+35 | | 13x=6x+30 |

Equations solver categories