If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -9x2 + 10x + 25 = 0 Reorder the terms: 25 + 10x + -9x2 = 0 Solving 25 + 10x + -9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -9 the coefficient of the squared term: Divide each side by '-9'. -2.777777778 + -1.111111111x + x2 = 0 Move the constant term to the right: Add '2.777777778' to each side of the equation. -2.777777778 + -1.111111111x + 2.777777778 + x2 = 0 + 2.777777778 Reorder the terms: -2.777777778 + 2.777777778 + -1.111111111x + x2 = 0 + 2.777777778 Combine like terms: -2.777777778 + 2.777777778 = 0.000000000 0.000000000 + -1.111111111x + x2 = 0 + 2.777777778 -1.111111111x + x2 = 0 + 2.777777778 Combine like terms: 0 + 2.777777778 = 2.777777778 -1.111111111x + x2 = 2.777777778 The x term is -1.111111111x. Take half its coefficient (-0.5555555555). Square it (0.3086419752) and add it to both sides. Add '0.3086419752' to each side of the equation. -1.111111111x + 0.3086419752 + x2 = 2.777777778 + 0.3086419752 Reorder the terms: 0.3086419752 + -1.111111111x + x2 = 2.777777778 + 0.3086419752 Combine like terms: 2.777777778 + 0.3086419752 = 3.0864197532 0.3086419752 + -1.111111111x + x2 = 3.0864197532 Factor a perfect square on the left side: (x + -0.5555555555)(x + -0.5555555555) = 3.0864197532 Calculate the square root of the right side: 1.756820922 Break this problem into two subproblems by setting (x + -0.5555555555) equal to 1.756820922 and -1.756820922.Subproblem 1
x + -0.5555555555 = 1.756820922 Simplifying x + -0.5555555555 = 1.756820922 Reorder the terms: -0.5555555555 + x = 1.756820922 Solving -0.5555555555 + x = 1.756820922 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5555555555' to each side of the equation. -0.5555555555 + 0.5555555555 + x = 1.756820922 + 0.5555555555 Combine like terms: -0.5555555555 + 0.5555555555 = 0.0000000000 0.0000000000 + x = 1.756820922 + 0.5555555555 x = 1.756820922 + 0.5555555555 Combine like terms: 1.756820922 + 0.5555555555 = 2.3123764775 x = 2.3123764775 Simplifying x = 2.3123764775Subproblem 2
x + -0.5555555555 = -1.756820922 Simplifying x + -0.5555555555 = -1.756820922 Reorder the terms: -0.5555555555 + x = -1.756820922 Solving -0.5555555555 + x = -1.756820922 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5555555555' to each side of the equation. -0.5555555555 + 0.5555555555 + x = -1.756820922 + 0.5555555555 Combine like terms: -0.5555555555 + 0.5555555555 = 0.0000000000 0.0000000000 + x = -1.756820922 + 0.5555555555 x = -1.756820922 + 0.5555555555 Combine like terms: -1.756820922 + 0.5555555555 = -1.2012653665 x = -1.2012653665 Simplifying x = -1.2012653665Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.3123764775, -1.2012653665}
| ln(x+2)+ln(x-1)=ln(4) | | m-5=14 | | 3(x+1)+1=8(x-13)-2 | | -9x^2+10x=5 | | -3x+9=-63+6x | | 9(x-3)=5 | | 18x=-48 | | 6-2t=15+t | | a/6-6=6 | | x*x+2x=63 | | 10+4x=-x-35 | | 6-2t=15+1 | | 16x-6+3x+9=79 | | r/5+5=14 | | -7t+3=-7t | | 7x-1=6x+1 | | -3x+7=7x-33 | | (4+3)x=21 | | 3x=-4x | | -37+n=63 | | 12-y=29 | | 4x-2=-x-2 | | 29=y-12 | | 7.5=w-2.5 | | 3x+1y=38 | | -x^2+10x+4=0 | | 0.5=a+-1 | | 3(x+4)=x+20 | | 6x-7y=-5 | | a+60=-15 | | 4x^2-20x+7= | | 21=x+15 |