-2x^2+5x=-7

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


Simplifying
-2x2 + 5x = -7

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

Solving
5x + -2x2 = -7

Solving for variable 'x'.

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

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

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {3.5, -1}

See similar equations:

| 3x-12=-21 | | -9x^2+2x=-6 | | 6+3x=12+x | | 3X^2=70 | | X^2-7=18 | | -2x^2+9x=-9 | | 2x+37=11x-62 | | 16t^2-8t+1=0 | | -22=4x-9 | | -2x^2+9x=9 | | (x+7593)+5739=x+(7593+5739) | | 3x-4=-18 | | -18=3x-4 | | 8(z-5)-(6z-6)=z | | x-3=21 | | 2m=7 | | 11+25=7x+15 | | x-3(50-x)=18 | | 9r^2+12r+4=0 | | 2x^3-3x^2=0 | | 3x+9y=-30 | | 8y+40=10x | | 3b^3-18b^2-48b=0 | | x+9y=-34 | | 121/2+5.25= | | 4X^2=72 | | 7=3x-12 | | 4y=x^2+8x | | 9m-1=-2 | | (x+4)(x-19)=0 | | z^4+6iz-1=0 | | x-8x-3=0 |

Equations solver categories