-2x^2-5x+7=0

Simple and best practice solution for -2x^2-5x+7=0 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=0 equation: 


Simplifying
-2x2 + -5x + 7 = 0

Reorder the terms:
7 + -5x + -2x2 = 0

Solving
7 + -5x + -2x2 = 0

Solving for variable 'x'.

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:

| .33x-3=2x+7 | | -116=4-2(8x+4) | | 5t+(t-3)-[(7t+5)-(8-3t)]= | | 17-t=8 | | -29+4x=4-5(4x-3) | | -87=-3(3n+5) | | A+7b=24 | | 4x^2=-13+20x | | 2z(2)=38 | | 2+(x+3)3=0 | | 6(r-2)-5(r-1)=2(r+3) | | -26+2x=52x+11 | | 3xsquared-17x+10=0 | | 8z(8z)=6z+38 | | 26=2 | | 3t+7=5t+1 | | 13x+6x=36 | | 6+3x=21x+30 | | 8z(8z)=6z(6z) | | 2f-10=14 | | 11y^2-42y+13=0 | | 11y^2-42x+13=0 | | F(x)=log(1-2x) | | 27-4x=-76-8x | | -2(x-8)=5x+2(x+1) | | -6(-3+n)=-36 | | 6x+9y=m | | 6v^2-21v+10=0 | | 5u+17=18 | | T(1)=4.5n-8b | | 2500x^2-12100=0 | | tanx=-0.03 |

Equations solver categories