If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x2 + -77x + 4 = 0 Reorder the terms: 4 + -77x + 9x2 = 0 Solving 4 + -77x + 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'. 0.4444444444 + -8.555555556x + x2 = 0 Move the constant term to the right: Add '-0.4444444444' to each side of the equation. 0.4444444444 + -8.555555556x + -0.4444444444 + x2 = 0 + -0.4444444444 Reorder the terms: 0.4444444444 + -0.4444444444 + -8.555555556x + x2 = 0 + -0.4444444444 Combine like terms: 0.4444444444 + -0.4444444444 = 0.0000000000 0.0000000000 + -8.555555556x + x2 = 0 + -0.4444444444 -8.555555556x + x2 = 0 + -0.4444444444 Combine like terms: 0 + -0.4444444444 = -0.4444444444 -8.555555556x + x2 = -0.4444444444 The x term is -8.555555556x. Take half its coefficient (-4.277777778). Square it (18.29938272) and add it to both sides. Add '18.29938272' to each side of the equation. -8.555555556x + 18.29938272 + x2 = -0.4444444444 + 18.29938272 Reorder the terms: 18.29938272 + -8.555555556x + x2 = -0.4444444444 + 18.29938272 Combine like terms: -0.4444444444 + 18.29938272 = 17.8549382756 18.29938272 + -8.555555556x + x2 = 17.8549382756 Factor a perfect square on the left side: (x + -4.277777778)(x + -4.277777778) = 17.8549382756 Calculate the square root of the right side: 4.225510416 Break this problem into two subproblems by setting (x + -4.277777778) equal to 4.225510416 and -4.225510416.Subproblem 1
x + -4.277777778 = 4.225510416 Simplifying x + -4.277777778 = 4.225510416 Reorder the terms: -4.277777778 + x = 4.225510416 Solving -4.277777778 + x = 4.225510416 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.277777778' to each side of the equation. -4.277777778 + 4.277777778 + x = 4.225510416 + 4.277777778 Combine like terms: -4.277777778 + 4.277777778 = 0.000000000 0.000000000 + x = 4.225510416 + 4.277777778 x = 4.225510416 + 4.277777778 Combine like terms: 4.225510416 + 4.277777778 = 8.503288194 x = 8.503288194 Simplifying x = 8.503288194Subproblem 2
x + -4.277777778 = -4.225510416 Simplifying x + -4.277777778 = -4.225510416 Reorder the terms: -4.277777778 + x = -4.225510416 Solving -4.277777778 + x = -4.225510416 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.277777778' to each side of the equation. -4.277777778 + 4.277777778 + x = -4.225510416 + 4.277777778 Combine like terms: -4.277777778 + 4.277777778 = 0.000000000 0.000000000 + x = -4.225510416 + 4.277777778 x = -4.225510416 + 4.277777778 Combine like terms: -4.225510416 + 4.277777778 = 0.052267362 x = 0.052267362 Simplifying x = 0.052267362Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.503288194, 0.052267362}
| -.4x=.533 | | T^2-3t^2-10t=0 | | .307x=28 | | 3t^2=9t | | x-7.6=-6.6 | | n+34=18 | | 6x^2+12x+x^2+24= | | (x-1)(x+2)(x-4)=0 | | -2t[8-(6-t)]+5t=0 | | A+4=-3 | | X+-7=10-6 | | M=ec^2 | | 23x+34=-14-6x+5x | | X-6=-12 | | 3.3q-1.8-3.8q=-1.5q-4.6 | | 12-4(2w-11)=-3(2w+4) | | 4(8-3w)=32-8(w+2) | | 10x+8-5=9x-2 | | 35k^2=0 | | -8y+5=-9y+1 | | 12x+y=6x+2y-20 | | 3(y+2)+y=15-(y+4) | | 2x-18=2x-18 | | 1.2z=2.1z-9 | | X^3+3x^2-9x=29 | | 2.5(j+2)=1.5(1+j) | | x-44=-14 | | -6k=0 | | (2x-1)(2x-3)=0 | | X^4-36x^2+36=0 | | Xy=5 | | 7k^2=0 |