If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + -11 = 28x + 86 Reorder the terms: -11 + 7x2 = 28x + 86 Reorder the terms: -11 + 7x2 = 86 + 28x Solving -11 + 7x2 = 86 + 28x Solving for variable 'x'. Reorder the terms: -11 + -86 + -28x + 7x2 = 86 + 28x + -86 + -28x Combine like terms: -11 + -86 = -97 -97 + -28x + 7x2 = 86 + 28x + -86 + -28x Reorder the terms: -97 + -28x + 7x2 = 86 + -86 + 28x + -28x Combine like terms: 86 + -86 = 0 -97 + -28x + 7x2 = 0 + 28x + -28x -97 + -28x + 7x2 = 28x + -28x Combine like terms: 28x + -28x = 0 -97 + -28x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -13.85714286 + -4x + x2 = 0 Move the constant term to the right: Add '13.85714286' to each side of the equation. -13.85714286 + -4x + 13.85714286 + x2 = 0 + 13.85714286 Reorder the terms: -13.85714286 + 13.85714286 + -4x + x2 = 0 + 13.85714286 Combine like terms: -13.85714286 + 13.85714286 = 0.00000000 0.00000000 + -4x + x2 = 0 + 13.85714286 -4x + x2 = 0 + 13.85714286 Combine like terms: 0 + 13.85714286 = 13.85714286 -4x + x2 = 13.85714286 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = 13.85714286 + 4 Reorder the terms: 4 + -4x + x2 = 13.85714286 + 4 Combine like terms: 13.85714286 + 4 = 17.85714286 4 + -4x + x2 = 17.85714286 Factor a perfect square on the left side: (x + -2)(x + -2) = 17.85714286 Calculate the square root of the right side: 4.225771274 Break this problem into two subproblems by setting (x + -2) equal to 4.225771274 and -4.225771274.Subproblem 1
x + -2 = 4.225771274 Simplifying x + -2 = 4.225771274 Reorder the terms: -2 + x = 4.225771274 Solving -2 + x = 4.225771274 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 4.225771274 + 2 Combine like terms: -2 + 2 = 0 0 + x = 4.225771274 + 2 x = 4.225771274 + 2 Combine like terms: 4.225771274 + 2 = 6.225771274 x = 6.225771274 Simplifying x = 6.225771274Subproblem 2
x + -2 = -4.225771274 Simplifying x + -2 = -4.225771274 Reorder the terms: -2 + x = -4.225771274 Solving -2 + x = -4.225771274 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -4.225771274 + 2 Combine like terms: -2 + 2 = 0 0 + x = -4.225771274 + 2 x = -4.225771274 + 2 Combine like terms: -4.225771274 + 2 = -2.225771274 x = -2.225771274 Simplifying x = -2.225771274Solution
The solution to the problem is based on the solutions from the subproblems. x = {6.225771274, -2.225771274}
| 12x-15=4x+25 | | 2*3-(8-1)+4+3*(2+1)-7+4-(4+8)=851 | | X^3-12x+10=0 | | 2*3-(8-1)+4+3*(2+1)-7+4-(4+8)= | | 40x^3+43x^2=6x | | 2d-1=6d+1 | | 18=-12+19 | | x^2-8=-12 | | 6k+3=6k-3 | | 5(x-4)-3(1-2x)= | | (x+1)(x+3)=9 | | 2x^2-72=8x+45 | | 2u^2=5u+3 | | 9x^2+12x+4=24 | | (x+7)(x-5)=13 | | 5p^2+28p+15=0 | | 165-5x=22x+15 | | -8z-3z=24-3 | | 14+-8x=59+-29x | | 4m+6m=66 | | 14-8x=59-29x | | 3x+7=13-7x | | 112-2x=4x+22 | | 4x(2x-1)+2(2x-1)(2x-1)=0 | | 2-5x=14+9x | | -25=5(x-7)+5x | | 28=-6x+4(x+5) | | 28=-6x+4(x-5) | | 28=-6x+4(u-5) | | -18=-3x+6(x-7) | | 34=8(x+5)-5x | | 4x(2x-1)+2(4x+1)=0 |