If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -81x + -64 = 0 Reorder the terms: -64 + -81x + x2 = 0 Solving -64 + -81x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '64' to each side of the equation. -64 + -81x + 64 + x2 = 0 + 64 Reorder the terms: -64 + 64 + -81x + x2 = 0 + 64 Combine like terms: -64 + 64 = 0 0 + -81x + x2 = 0 + 64 -81x + x2 = 0 + 64 Combine like terms: 0 + 64 = 64 -81x + x2 = 64 The x term is -81x. Take half its coefficient (-40.5). Square it (1640.25) and add it to both sides. Add '1640.25' to each side of the equation. -81x + 1640.25 + x2 = 64 + 1640.25 Reorder the terms: 1640.25 + -81x + x2 = 64 + 1640.25 Combine like terms: 64 + 1640.25 = 1704.25 1640.25 + -81x + x2 = 1704.25 Factor a perfect square on the left side: (x + -40.5)(x + -40.5) = 1704.25 Calculate the square root of the right side: 41.282562905 Break this problem into two subproblems by setting (x + -40.5) equal to 41.282562905 and -41.282562905.Subproblem 1
x + -40.5 = 41.282562905 Simplifying x + -40.5 = 41.282562905 Reorder the terms: -40.5 + x = 41.282562905 Solving -40.5 + x = 41.282562905 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '40.5' to each side of the equation. -40.5 + 40.5 + x = 41.282562905 + 40.5 Combine like terms: -40.5 + 40.5 = 0.0 0.0 + x = 41.282562905 + 40.5 x = 41.282562905 + 40.5 Combine like terms: 41.282562905 + 40.5 = 81.782562905 x = 81.782562905 Simplifying x = 81.782562905Subproblem 2
x + -40.5 = -41.282562905 Simplifying x + -40.5 = -41.282562905 Reorder the terms: -40.5 + x = -41.282562905 Solving -40.5 + x = -41.282562905 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '40.5' to each side of the equation. -40.5 + 40.5 + x = -41.282562905 + 40.5 Combine like terms: -40.5 + 40.5 = 0.0 0.0 + x = -41.282562905 + 40.5 x = -41.282562905 + 40.5 Combine like terms: -41.282562905 + 40.5 = -0.782562905 x = -0.782562905 Simplifying x = -0.782562905Solution
The solution to the problem is based on the solutions from the subproblems. x = {81.782562905, -0.782562905}
| log(x)=0.39 | | 2x+4cm=46cm | | 4y-11=15 | | -8+6(1x-3)+4x= | | 7(2m-6)+8m= | | .75h-3h=.25h+.75 | | 9r-3s+7-4r+s-3= | | 7m-15=55 | | -4a-4+a-2b-7a+6= | | -16=-32-y | | A+5=18 | | 1.5m-3.6=-1.5 | | 37+12y=85 | | 2.1(5w-3)+8.2=6w+22.95 | | 2(3x-7)=9*-7 | | 3*2-11=2(y-4) | | 2(3y-6)3=1.4 | | 10h+10=110 | | 24=0.4x | | 92h+23=60 | | 2x^2+19x-4=0 | | 10m+6=106 | | 12(6s+12)=13(-12s-21) | | 6(3c-4)-(-7c)=4(2c-14)-3c | | -52-44= | | (3a+b-4c)6= | | -9n-15=93 | | 298+n=295 | | -10x+9y=-47 | | 9m-11=79 | | 6t-13=47 | | 8x+7-7x+8= |