If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x * x + 18x + -81 = 0 Multiply x * x x2 + 18x + -81 = 0 Reorder the terms: -81 + 18x + x2 = 0 Solving -81 + 18x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '81' to each side of the equation. -81 + 18x + 81 + x2 = 0 + 81 Reorder the terms: -81 + 81 + 18x + x2 = 0 + 81 Combine like terms: -81 + 81 = 0 0 + 18x + x2 = 0 + 81 18x + x2 = 0 + 81 Combine like terms: 0 + 81 = 81 18x + x2 = 81 The x term is 18x. Take half its coefficient (9). Square it (81) and add it to both sides. Add '81' to each side of the equation. 18x + 81 + x2 = 81 + 81 Reorder the terms: 81 + 18x + x2 = 81 + 81 Combine like terms: 81 + 81 = 162 81 + 18x + x2 = 162 Factor a perfect square on the left side: (x + 9)(x + 9) = 162 Calculate the square root of the right side: 12.727922061 Break this problem into two subproblems by setting (x + 9) equal to 12.727922061 and -12.727922061.Subproblem 1
x + 9 = 12.727922061 Simplifying x + 9 = 12.727922061 Reorder the terms: 9 + x = 12.727922061 Solving 9 + x = 12.727922061 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 12.727922061 + -9 Combine like terms: 9 + -9 = 0 0 + x = 12.727922061 + -9 x = 12.727922061 + -9 Combine like terms: 12.727922061 + -9 = 3.727922061 x = 3.727922061 Simplifying x = 3.727922061Subproblem 2
x + 9 = -12.727922061 Simplifying x + 9 = -12.727922061 Reorder the terms: 9 + x = -12.727922061 Solving 9 + x = -12.727922061 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = -12.727922061 + -9 Combine like terms: 9 + -9 = 0 0 + x = -12.727922061 + -9 x = -12.727922061 + -9 Combine like terms: -12.727922061 + -9 = -21.727922061 x = -21.727922061 Simplifying x = -21.727922061Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.727922061, -21.727922061}
| 1/(3x^5)^3 | | 3x^4y^7/6x^8y^5 | | 4(67)+8(5678)= | | 2x^2/8x^8 | | 6y^6+8y^5-14y^4=0 | | (-y*-y)-6y=3 | | 5(2x-3)-(3x-2)=0 | | 5(2x-3)(3x-2)=0 | | [3X-6]+9=30 | | 4(4x+12)(3x-2)=0 | | 10-3(X+4)=16 | | 6x-y-x-y= | | -7x+5y=13 | | 4-2(x-3)=X+7 | | 2(3-x)=2 | | x^2-4x+6=y | | m-7=14 | | 4=-2x-6y | | 1/5(5y+10)-9=-1/7(21y-35) | | 2x+10=4x+30 | | x-19=29+7 | | x+5-8x=18 | | 9/10y-3=-19/20y+2 | | a/8=2 | | x^2-x-4=y | | 4m-786=262 | | 5(2x-5)-3(4x-7)=3(x-8) | | 1x+8=-3x | | X+5Y=-2X+4Y+12 | | 1/3/6=x | | 0=y-26 | | 2p-52=26 |