If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -3 = -1x * x + 2x + 18 Multiply x * x -3 = -1x2 + 2x + 18 Reorder the terms: -3 = 18 + 2x + -1x2 Solving -3 = 18 + 2x + -1x2 Solving for variable 'x'. Combine like terms: -3 + -18 = -21 -21 + -2x + x2 = 18 + 2x + -1x2 + -18 + -2x + x2 Reorder the terms: -21 + -2x + x2 = 18 + -18 + 2x + -2x + -1x2 + x2 Combine like terms: 18 + -18 = 0 -21 + -2x + x2 = 0 + 2x + -2x + -1x2 + x2 -21 + -2x + x2 = 2x + -2x + -1x2 + x2 Combine like terms: 2x + -2x = 0 -21 + -2x + x2 = 0 + -1x2 + x2 -21 + -2x + x2 = -1x2 + x2 Combine like terms: -1x2 + x2 = 0 -21 + -2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '21' to each side of the equation. -21 + -2x + 21 + x2 = 0 + 21 Reorder the terms: -21 + 21 + -2x + x2 = 0 + 21 Combine like terms: -21 + 21 = 0 0 + -2x + x2 = 0 + 21 -2x + x2 = 0 + 21 Combine like terms: 0 + 21 = 21 -2x + x2 = 21 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = 21 + 1 Reorder the terms: 1 + -2x + x2 = 21 + 1 Combine like terms: 21 + 1 = 22 1 + -2x + x2 = 22 Factor a perfect square on the left side: (x + -1)(x + -1) = 22 Calculate the square root of the right side: 4.69041576 Break this problem into two subproblems by setting (x + -1) equal to 4.69041576 and -4.69041576.Subproblem 1
x + -1 = 4.69041576 Simplifying x + -1 = 4.69041576 Reorder the terms: -1 + x = 4.69041576 Solving -1 + x = 4.69041576 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 4.69041576 + 1 Combine like terms: -1 + 1 = 0 0 + x = 4.69041576 + 1 x = 4.69041576 + 1 Combine like terms: 4.69041576 + 1 = 5.69041576 x = 5.69041576 Simplifying x = 5.69041576Subproblem 2
x + -1 = -4.69041576 Simplifying x + -1 = -4.69041576 Reorder the terms: -1 + x = -4.69041576 Solving -1 + x = -4.69041576 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -4.69041576 + 1 Combine like terms: -1 + 1 = 0 0 + x = -4.69041576 + 1 x = -4.69041576 + 1 Combine like terms: -4.69041576 + 1 = -3.69041576 x = -3.69041576 Simplifying x = -3.69041576Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.69041576, -3.69041576}
| 9x^2-10x-8=0 | | 5(5-x)= | | Y=0.5x+1.9 | | 4m+9n-2p=-4 | | P-8=-15 | | 3=15+3-5 | | 5.3=3.2x+7.1 | | 6=a/3-3 | | -21-2.8= | | 1+p/6=4 | | 9(16).29(1.09)= | | 2+Y=16-Y | | 4y^12m^4/4y^12m^8 | | 8m-3n-4p=6 | | 5h+2=27 | | -219+163-136= | | 22-18=2(x-7) | | 27+3y-8=13y-11-4y | | 2+Y=13-Y | | x+21+3x=-16-3x-19 | | -14-(-12)= | | -14+7g=-63 | | 7k-1-4k=32 | | 5t-16.4/3.45=2t | | X+21+2x=-18-2x-21 | | 4x+3-4=3x+11-3x | | -5(v+4)=6v+2 | | 8.5+(-6.6)= | | 2x=5x+14.1 | | 5-Y=8-6 | | -3x^2=x-2 | | y=(2/7)+5 |