10x^2-9x-6=0

Simple and best practice solution for 10x^2-9x-6=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 10x^2-9x-6=0 equation:


Simplifying
10x2 + -9x + -6 = 0

Reorder the terms:
-6 + -9x + 10x2 = 0

Solving
-6 + -9x + 10x2 = 0

Solving for variable 'x'.

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

Divide each side by '10'.
-0.6 + -0.9x + x2 = 0

Move the constant term to the right:

Add '0.6' to each side of the equation.
-0.6 + -0.9x + 0.6 + x2 = 0 + 0.6

Reorder the terms:
-0.6 + 0.6 + -0.9x + x2 = 0 + 0.6

Combine like terms: -0.6 + 0.6 = 0.0
0.0 + -0.9x + x2 = 0 + 0.6
-0.9x + x2 = 0 + 0.6

Combine like terms: 0 + 0.6 = 0.6
-0.9x + x2 = 0.6

The x term is -0.9x.  Take half its coefficient (-0.45).
Square it (0.2025) and add it to both sides.

Add '0.2025' to each side of the equation.
-0.9x + 0.2025 + x2 = 0.6 + 0.2025

Reorder the terms:
0.2025 + -0.9x + x2 = 0.6 + 0.2025

Combine like terms: 0.6 + 0.2025 = 0.8025
0.2025 + -0.9x + x2 = 0.8025

Factor a perfect square on the left side:
(x + -0.45)(x + -0.45) = 0.8025

Calculate the square root of the right side: 0.895823643

Break this problem into two subproblems by setting 
(x + -0.45) equal to 0.895823643 and -0.895823643.

Subproblem 1

x + -0.45 = 0.895823643 Simplifying x + -0.45 = 0.895823643 Reorder the terms: -0.45 + x = 0.895823643 Solving -0.45 + x = 0.895823643 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.45' to each side of the equation. -0.45 + 0.45 + x = 0.895823643 + 0.45 Combine like terms: -0.45 + 0.45 = 0.00 0.00 + x = 0.895823643 + 0.45 x = 0.895823643 + 0.45 Combine like terms: 0.895823643 + 0.45 = 1.345823643 x = 1.345823643 Simplifying x = 1.345823643

Subproblem 2

x + -0.45 = -0.895823643 Simplifying x + -0.45 = -0.895823643 Reorder the terms: -0.45 + x = -0.895823643 Solving -0.45 + x = -0.895823643 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.45' to each side of the equation. -0.45 + 0.45 + x = -0.895823643 + 0.45 Combine like terms: -0.45 + 0.45 = 0.00 0.00 + x = -0.895823643 + 0.45 x = -0.895823643 + 0.45 Combine like terms: -0.895823643 + 0.45 = -0.445823643 x = -0.445823643 Simplifying x = -0.445823643

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.345823643, -0.445823643}

See similar equations:

| 4/11y=2/12 | | 3b-(6-b)=-2 | | .92x+428.84=220 | | 3*w+15-5-2*w=5 | | (13s+7)(6s-5)=0 | | -8(m-6)+3(m+1)=66 | | p-7=-5+p | | 2.6+2.7t-4.9t^2=0 | | F(x)=35x-602 | | (-32)-(-2.1)= | | -3x+2(x+1)=-8-5x+10+4x | | 9x+12/4+3x-2/2=7/2x | | -[5x-(3x+1)]=-3-[3(2x-3)-2x] | | -8x+4y-6x-4y= | | 6w-y=2zforw | | -3v+8(4-4v)=-108 | | 8v+5=-2(-7-3v)-1 | | 17=3(0-5)+8 | | z/3=-9z | | 9x^7-18x^6+63x^5= | | F(7)=100+2(7) | | 28x-7=7x-4 | | 2a-25=5(-5-6a) | | (-32)-(-2.1)-5= | | 7-8n=2-7n | | 180-82.5=(x*2) | | 3v^2+15v+18=0 | | 3.7-4d=2.3d+3 | | 5x-20=375 | | 5x^2-150=0 | | (x-2)*(x+7)= | | -x+1=x-21 |

Equations solver categories