If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 0 = x2 + -78.125x + -15625 Reorder the terms: 0 = -15625 + -78.125x + x2 Solving 0 = -15625 + -78.125x + x2 Solving for variable 'x'. Combine like terms: 0 + 15625 = 15625 15625 + 78.125x + -1x2 = -15625 + -78.125x + x2 + 15625 + 78.125x + -1x2 Reorder the terms: 15625 + 78.125x + -1x2 = -15625 + 15625 + -78.125x + 78.125x + x2 + -1x2 Combine like terms: -15625 + 15625 = 0 15625 + 78.125x + -1x2 = 0 + -78.125x + 78.125x + x2 + -1x2 15625 + 78.125x + -1x2 = -78.125x + 78.125x + x2 + -1x2 Combine like terms: -78.125x + 78.125x = 0.000 15625 + 78.125x + -1x2 = 0.000 + x2 + -1x2 15625 + 78.125x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 15625 + 78.125x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -15625 + -78.125x + x2 = 0 Move the constant term to the right: Add '15625' to each side of the equation. -15625 + -78.125x + 15625 + x2 = 0 + 15625 Reorder the terms: -15625 + 15625 + -78.125x + x2 = 0 + 15625 Combine like terms: -15625 + 15625 = 0 0 + -78.125x + x2 = 0 + 15625 -78.125x + x2 = 0 + 15625 Combine like terms: 0 + 15625 = 15625 -78.125x + x2 = 15625 The x term is -78.125x. Take half its coefficient (-39.0625). Square it (1525.878906) and add it to both sides. Add '1525.878906' to each side of the equation. -78.125x + 1525.878906 + x2 = 15625 + 1525.878906 Reorder the terms: 1525.878906 + -78.125x + x2 = 15625 + 1525.878906 Combine like terms: 15625 + 1525.878906 = 17150.878906 1525.878906 + -78.125x + x2 = 17150.878906 Factor a perfect square on the left side: (x + -39.0625)(x + -39.0625) = 17150.878906 Calculate the square root of the right side: 130.961364173 Break this problem into two subproblems by setting (x + -39.0625) equal to 130.961364173 and -130.961364173.Subproblem 1
x + -39.0625 = 130.961364173 Simplifying x + -39.0625 = 130.961364173 Reorder the terms: -39.0625 + x = 130.961364173 Solving -39.0625 + x = 130.961364173 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '39.0625' to each side of the equation. -39.0625 + 39.0625 + x = 130.961364173 + 39.0625 Combine like terms: -39.0625 + 39.0625 = 0.0000 0.0000 + x = 130.961364173 + 39.0625 x = 130.961364173 + 39.0625 Combine like terms: 130.961364173 + 39.0625 = 170.023864173 x = 170.023864173 Simplifying x = 170.023864173Subproblem 2
x + -39.0625 = -130.961364173 Simplifying x + -39.0625 = -130.961364173 Reorder the terms: -39.0625 + x = -130.961364173 Solving -39.0625 + x = -130.961364173 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '39.0625' to each side of the equation. -39.0625 + 39.0625 + x = -130.961364173 + 39.0625 Combine like terms: -39.0625 + 39.0625 = 0.0000 0.0000 + x = -130.961364173 + 39.0625 x = -130.961364173 + 39.0625 Combine like terms: -130.961364173 + 39.0625 = -91.898864173 x = -91.898864173 Simplifying x = -91.898864173Solution
The solution to the problem is based on the solutions from the subproblems. x = {170.023864173, -91.898864173}
| 7x-1=6x+7 | | 6=w+10 | | 2(-10+7x)=36 | | u^2+3u-18= | | 4(r-1)=6-2(1-2r) | | .25x=-1.05 | | 48y+0.96n=c | | -5(3t-5)+4t=6t-8 | | 7(x-2)=5+(9x-6) | | 4(r+1)=6-2(x-6) | | w^2-8w-10= | | 3-5x=10+1-3x | | log*5+log(4x+8)=2 | | -5(4x-9)+7=-20x+52 | | 0.5x-0.4x-6=-2 | | u=hy | | w^2+10w+21= | | -3(9x-1)=-6(4x+2) | | 96=2(2x)+2x | | -11(n-10)=4-9(-5+8x) | | 3/2w+5=/7 | | 9-4x-7-6=4 | | .12(y-7)+.20y=.14y-2.1 | | y=36t-16t^2 | | x^2+20x-8035=0 | | 5a^2-9ab+4a= | | -6(x+1)=-11(x-9) | | m-2m+2m+8= | | Log[5](4x-8)=2 | | 8x+2-5x+7=7x-6-4x | | 96+6a=3a+48 | | lny+3x=x+2lnx |