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 + 49 = 0 Reorder the terms: 49 + -81x + x2 = 0 Solving 49 + -81x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-49' to each side of the equation. 49 + -81x + -49 + x2 = 0 + -49 Reorder the terms: 49 + -49 + -81x + x2 = 0 + -49 Combine like terms: 49 + -49 = 0 0 + -81x + x2 = 0 + -49 -81x + x2 = 0 + -49 Combine like terms: 0 + -49 = -49 -81x + x2 = -49 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 = -49 + 1640.25 Reorder the terms: 1640.25 + -81x + x2 = -49 + 1640.25 Combine like terms: -49 + 1640.25 = 1591.25 1640.25 + -81x + x2 = 1591.25 Factor a perfect square on the left side: (x + -40.5)(x + -40.5) = 1591.25 Calculate the square root of the right side: 39.890475054 Break this problem into two subproblems by setting (x + -40.5) equal to 39.890475054 and -39.890475054.Subproblem 1
x + -40.5 = 39.890475054 Simplifying x + -40.5 = 39.890475054 Reorder the terms: -40.5 + x = 39.890475054 Solving -40.5 + x = 39.890475054 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 = 39.890475054 + 40.5 Combine like terms: -40.5 + 40.5 = 0.0 0.0 + x = 39.890475054 + 40.5 x = 39.890475054 + 40.5 Combine like terms: 39.890475054 + 40.5 = 80.390475054 x = 80.390475054 Simplifying x = 80.390475054Subproblem 2
x + -40.5 = -39.890475054 Simplifying x + -40.5 = -39.890475054 Reorder the terms: -40.5 + x = -39.890475054 Solving -40.5 + x = -39.890475054 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 = -39.890475054 + 40.5 Combine like terms: -40.5 + 40.5 = 0.0 0.0 + x = -39.890475054 + 40.5 x = -39.890475054 + 40.5 Combine like terms: -39.890475054 + 40.5 = 0.609524946 x = 0.609524946 Simplifying x = 0.609524946Solution
The solution to the problem is based on the solutions from the subproblems. x = {80.390475054, 0.609524946}
| 10-8(1-x)=18 | | x^2-89x+1=0 | | T=2x+2y | | (2x+6)(2x+6)=49 | | 15x=123.75 | | (2x+6)2=49 | | 15x(230+325)=925 | | (2x)/(x-2)=5+(13x)^2/(x-2) | | 7.80f-5/6=7/30f | | x+y^2=4 | | -2(c-2)= | | 14x+11=7x+31 | | .44(83-55b)=7.04 | | 4ab-2ab+ab=0 | | 4x^2-29x+45=-5+10 | | -5(y+6)= | | ab*3ab*2b=0 | | 12x+13=5x+49 | | 8(z+5)= | | 325x+230=3925 | | g-2/3g=5/6 | | 19+17x=342 | | -15x=99 | | 24x^2-36x=0 | | 8+16x=104 | | 99-15x=99 | | 3a*a=0 | | 3(x+7)=18 | | x^2-10x+15=-3x+5 | | (x-3)/(x+2)=0 | | -38-8x=87-30x | | -15a=99 |