-9x^2-3x-2=0

Simple and best practice solution for -9x^2-3x-2=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 -9x^2-3x-2=0 equation:


Simplifying
-9x2 + -3x + -2 = 0

Reorder the terms:
-2 + -3x + -9x2 = 0

Solving
-2 + -3x + -9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(2 + 3x + 9x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(2 + 3x + 9x2)' equal to zero and attempt to solve: Simplifying 2 + 3x + 9x2 = 0 Solving 2 + 3x + 9x2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 0.2222222222 + 0.3333333333x + x2 = 0 Move the constant term to the right: Add '-0.2222222222' to each side of the equation. 0.2222222222 + 0.3333333333x + -0.2222222222 + x2 = 0 + -0.2222222222 Reorder the terms: 0.2222222222 + -0.2222222222 + 0.3333333333x + x2 = 0 + -0.2222222222 Combine like terms: 0.2222222222 + -0.2222222222 = 0.0000000000 0.0000000000 + 0.3333333333x + x2 = 0 + -0.2222222222 0.3333333333x + x2 = 0 + -0.2222222222 Combine like terms: 0 + -0.2222222222 = -0.2222222222 0.3333333333x + x2 = -0.2222222222 The x term is 0.3333333333x. Take half its coefficient (0.1666666667). Square it (0.02777777779) and add it to both sides. Add '0.02777777779' to each side of the equation. 0.3333333333x + 0.02777777779 + x2 = -0.2222222222 + 0.02777777779 Reorder the terms: 0.02777777779 + 0.3333333333x + x2 = -0.2222222222 + 0.02777777779 Combine like terms: -0.2222222222 + 0.02777777779 = -0.19444444441 0.02777777779 + 0.3333333333x + x2 = -0.19444444441 Factor a perfect square on the left side: (x + 0.1666666667)(x + 0.1666666667) = -0.19444444441 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:

| y/8-15=2 | | ln(1-x)+ln(x-2)=ln(30) | | 24=-4(2x-3)+2x-12 | | 5x+10Y=-50 | | -8+n/4=10 | | 3y-7y=16 | | -8+n/4,=10 | | 2(4x+1)=5x+8 | | 4x-21-7x=-14 | | 10=-8+n/4 | | 2c^2+5c-12=0 | | 4(6+x)-2=x(6+7) | | x^2=12x-20 | | 6-2x=2x-6/4 | | 9+2r=27 | | -3+9y-2x-13y= | | -0.08y+0.13(9000-y)=0.29y | | (x)*(3x+1)*(2x+2)= | | 8=6x-(5x-3)+2 | | y=2a^6b^4c^5 | | (19b-3)-9(2b+1)=-7 | | 8x+5=9x+18 | | 9w-5=2 | | 9x+4x+4+9=8x+3+4x | | 2x+7=5x+3 | | -5=-(x-3) | | 22=18-.4x | | -8y+2=-9y+1 | | F=3k+2w | | 3x+6=(x-5) | | 2x+(3y)= | | 8x-12=6x+6 |

Equations solver categories