-9x^2-14x-5x^2+2+15x=

Simple and best practice solution for -9x^2-14x-5x^2+2+15x= 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 -9x^2-14x-5x^2+2+15x= equation:


Simplifying
-9x2 + -14x + -5x2 + 2 + 15x = 0

Reorder the terms:
2 + -14x + 15x + -9x2 + -5x2 = 0

Combine like terms: -14x + 15x = 1x
2 + 1x + -9x2 + -5x2 = 0

Combine like terms: -9x2 + -5x2 = -14x2
2 + 1x + -14x2 = 0

Solving
2 + 1x + -14x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-14 the coefficient of the squared term: 

Divide each side by '-14'.
-0.1428571429 + -0.07142857143x + x2 = 0

Move the constant term to the right:

Add '0.1428571429' to each side of the equation.
-0.1428571429 + -0.07142857143x + 0.1428571429 + x2 = 0 + 0.1428571429

Reorder the terms:
-0.1428571429 + 0.1428571429 + -0.07142857143x + x2 = 0 + 0.1428571429

Combine like terms: -0.1428571429 + 0.1428571429 = 0.0000000000
0.0000000000 + -0.07142857143x + x2 = 0 + 0.1428571429
-0.07142857143x + x2 = 0 + 0.1428571429

Combine like terms: 0 + 0.1428571429 = 0.1428571429
-0.07142857143x + x2 = 0.1428571429

The x term is -0.07142857143x.  Take half its coefficient (-0.03571428572).
Square it (0.001275510204) and add it to both sides.

Add '0.001275510204' to each side of the equation.
-0.07142857143x + 0.001275510204 + x2 = 0.1428571429 + 0.001275510204

Reorder the terms:
0.001275510204 + -0.07142857143x + x2 = 0.1428571429 + 0.001275510204

Combine like terms: 0.1428571429 + 0.001275510204 = 0.144132653104
0.001275510204 + -0.07142857143x + x2 = 0.144132653104

Factor a perfect square on the left side:
(x + -0.03571428572)(x + -0.03571428572) = 0.144132653104

Calculate the square root of the right side: 0.379648065

Break this problem into two subproblems by setting 
(x + -0.03571428572) equal to 0.379648065 and -0.379648065.

Subproblem 1

x + -0.03571428572 = 0.379648065 Simplifying x + -0.03571428572 = 0.379648065 Reorder the terms: -0.03571428572 + x = 0.379648065 Solving -0.03571428572 + x = 0.379648065 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.03571428572' to each side of the equation. -0.03571428572 + 0.03571428572 + x = 0.379648065 + 0.03571428572 Combine like terms: -0.03571428572 + 0.03571428572 = 0.00000000000 0.00000000000 + x = 0.379648065 + 0.03571428572 x = 0.379648065 + 0.03571428572 Combine like terms: 0.379648065 + 0.03571428572 = 0.41536235072 x = 0.41536235072 Simplifying x = 0.41536235072

Subproblem 2

x + -0.03571428572 = -0.379648065 Simplifying x + -0.03571428572 = -0.379648065 Reorder the terms: -0.03571428572 + x = -0.379648065 Solving -0.03571428572 + x = -0.379648065 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.03571428572' to each side of the equation. -0.03571428572 + 0.03571428572 + x = -0.379648065 + 0.03571428572 Combine like terms: -0.03571428572 + 0.03571428572 = 0.00000000000 0.00000000000 + x = -0.379648065 + 0.03571428572 x = -0.379648065 + 0.03571428572 Combine like terms: -0.379648065 + 0.03571428572 = -0.34393377928 x = -0.34393377928 Simplifying x = -0.34393377928

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.41536235072, -0.34393377928}

See similar equations:

| -14x+15x= | | -4x+2(4x-5)=-103 | | 0=10z^2+27z+18 | | -9=6x+3(-x-3) | | -12+4k=8(1+k) | | 7x+3(3x+5)=-103 | | -16=8(3+p) | | -4x+2(4x+1)=125 | | 5a-(3a+6)=0 | | 12+2x=3x-17 | | -84=-7(-6+x) | | -6x-8(4x+8)=98 | | 2(x-10)=-6 | | -6x-4(4x+8)=98 | | 6(b-1)=6 | | .5(x+5)-10=-4 | | -11=5x+4(-1x-4) | | 8s-7s=11 | | 103=-2x+3(-3x+5) | | v/6=19.2 | | -6=2v-4 | | -3x+3(4x+15)=-21 | | 3(x+3)=14+x | | -5(-3+n)=30 | | -5x+3(5s+2)=126 | | -4(x^2+6x+36)=179 | | 3(x+5)+11= | | -3x+3(-3x+5)=172 | | 4x-14x=70 | | y^2-17y+82=0 | | -1=-(k-3) | | [4x^3y/3y^3x]^3 |

Equations solver categories