If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x2 + 12x + -1 = 0 Reorder the terms: -1 + 12x + 9x2 = 0 Solving -1 + 12x + 9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -0.1111111111 + 1.333333333x + x2 = 0 Move the constant term to the right: Add '0.1111111111' to each side of the equation. -0.1111111111 + 1.333333333x + 0.1111111111 + x2 = 0 + 0.1111111111 Reorder the terms: -0.1111111111 + 0.1111111111 + 1.333333333x + x2 = 0 + 0.1111111111 Combine like terms: -0.1111111111 + 0.1111111111 = 0.0000000000 0.0000000000 + 1.333333333x + x2 = 0 + 0.1111111111 1.333333333x + x2 = 0 + 0.1111111111 Combine like terms: 0 + 0.1111111111 = 0.1111111111 1.333333333x + x2 = 0.1111111111 The x term is 1.333333333x. Take half its coefficient (0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. 1.333333333x + 0.4444444442 + x2 = 0.1111111111 + 0.4444444442 Reorder the terms: 0.4444444442 + 1.333333333x + x2 = 0.1111111111 + 0.4444444442 Combine like terms: 0.1111111111 + 0.4444444442 = 0.5555555553 0.4444444442 + 1.333333333x + x2 = 0.5555555553 Factor a perfect square on the left side: (x + 0.6666666665)(x + 0.6666666665) = 0.5555555553 Calculate the square root of the right side: 0.745355992 Break this problem into two subproblems by setting (x + 0.6666666665) equal to 0.745355992 and -0.745355992.Subproblem 1
x + 0.6666666665 = 0.745355992 Simplifying x + 0.6666666665 = 0.745355992 Reorder the terms: 0.6666666665 + x = 0.745355992 Solving 0.6666666665 + x = 0.745355992 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + x = 0.745355992 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = 0.745355992 + -0.6666666665 x = 0.745355992 + -0.6666666665 Combine like terms: 0.745355992 + -0.6666666665 = 0.0786893255 x = 0.0786893255 Simplifying x = 0.0786893255Subproblem 2
x + 0.6666666665 = -0.745355992 Simplifying x + 0.6666666665 = -0.745355992 Reorder the terms: 0.6666666665 + x = -0.745355992 Solving 0.6666666665 + x = -0.745355992 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + x = -0.745355992 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = -0.745355992 + -0.6666666665 x = -0.745355992 + -0.6666666665 Combine like terms: -0.745355992 + -0.6666666665 = -1.4120226585 x = -1.4120226585 Simplifying x = -1.4120226585Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.0786893255, -1.4120226585}
| 0.5x=3.5 | | 43-14[p+7]=-7 | | 80+(-27)= | | (6x+6)-(-4x+7)= | | -16t^2+6t+800=0 | | 81+(-28)= | | -X+3=43-5X | | 9018039801+792739273k=9 | | 3a+12=4a | | X+2=42-7X | | 4x+20=24 | | 6+5X=-5X-34 | | y=2x-9x+20 | | .2a-16=4a | | 10x-3+2x=4 | | -5X-8=-X-8 | | -4X-4=-9-5X | | 9.18+8.35z=5.29 | | 65-2x=34x+17 | | 18(x+2)-4(4x+6)=3(x-10)-20 | | 2X+7=-23+5X | | 83-3x=3x-17 | | 2+4X=-3X+58 | | x^6-5x^4-25x^2+125=0 | | 1416(t+6)=-18 | | 6+4X=2X-6 | | 750=-4.9t^2+540t+25 | | 4.2x-6.4=5.0 | | 2X+1=7X-29 | | X^2+8x=17 | | 2x^2-27=351 | | 4X-9=-3X+33 |