-2x^2-7x-10=0

Simple and best practice solution for -2x^2-7x-10=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^2-7x-10=0 equation:


Simplifying
-2x2 + -7x + -10 = 0

Reorder the terms:
-10 + -7x + -2x2 = 0

Solving
-10 + -7x + -2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(10 + 7x + 2x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(10 + 7x + 2x2)' equal to zero and attempt to solve: Simplifying 10 + 7x + 2x2 = 0 Solving 10 + 7x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 5 + 3.5x + x2 = 0 Move the constant term to the right: Add '-5' to each side of the equation. 5 + 3.5x + -5 + x2 = 0 + -5 Reorder the terms: 5 + -5 + 3.5x + x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 3.5x + x2 = 0 + -5 3.5x + x2 = 0 + -5 Combine like terms: 0 + -5 = -5 3.5x + x2 = -5 The x term is 3.5x. Take half its coefficient (1.75). Square it (3.0625) and add it to both sides. Add '3.0625' to each side of the equation. 3.5x + 3.0625 + x2 = -5 + 3.0625 Reorder the terms: 3.0625 + 3.5x + x2 = -5 + 3.0625 Combine like terms: -5 + 3.0625 = -1.9375 3.0625 + 3.5x + x2 = -1.9375 Factor a perfect square on the left side: (x + 1.75)(x + 1.75) = -1.9375 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| X+(x+3)=57 | | 2x^3-2x=3x^2 | | 11=7-2(5p-2) | | 96-2=10x+24 | | X+(x+3)=-51 | | 4.5x=5.25 | | x^2-2x-8=y | | 2y^3+y^2=3y | | x+y=1.10 | | 265=(2x+4)-(3x+3+3x) | | 900+.010x=1200+0.15(x-8000) | | t^3+5t^2+4t=0 | | t^2+5t+4t=0 | | 5x=1.16 | | 0=0.25x^2-8x | | y=(9+8k)x | | 5b-6-9b-3= | | 4x+59=6x+26 | | 4.7(2f-0.5)=-6(1.6-8.3) | | 3p^2+4p+1=0 | | 280+20x=55x | | 5y^2=3y | | 6x-18=-2x+22 | | 3h+15-h-7= | | 0.5x+0.12(x+5000)=940 | | A=a+(n-26)d | | 12a^-1b^6c^-3/4a^5b^-1c^5 | | 3x+10(x-1.5)=24 | | -26d=-364d | | 6v^2+18v=0 | | 3z^2+8z+4=0 | | 2x+13=17x |

Equations solver categories