If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 11x + -9 = 0 Reorder the terms: -9 + 11x + x2 = 0 Solving -9 + 11x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '9' to each side of the equation. -9 + 11x + 9 + x2 = 0 + 9 Reorder the terms: -9 + 9 + 11x + x2 = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 11x + x2 = 0 + 9 11x + x2 = 0 + 9 Combine like terms: 0 + 9 = 9 11x + x2 = 9 The x term is 11x. Take half its coefficient (5.5). Square it (30.25) and add it to both sides. Add '30.25' to each side of the equation. 11x + 30.25 + x2 = 9 + 30.25 Reorder the terms: 30.25 + 11x + x2 = 9 + 30.25 Combine like terms: 9 + 30.25 = 39.25 30.25 + 11x + x2 = 39.25 Factor a perfect square on the left side: (x + 5.5)(x + 5.5) = 39.25 Calculate the square root of the right side: 6.264982043 Break this problem into two subproblems by setting (x + 5.5) equal to 6.264982043 and -6.264982043.Subproblem 1
x + 5.5 = 6.264982043 Simplifying x + 5.5 = 6.264982043 Reorder the terms: 5.5 + x = 6.264982043 Solving 5.5 + x = 6.264982043 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = 6.264982043 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = 6.264982043 + -5.5 x = 6.264982043 + -5.5 Combine like terms: 6.264982043 + -5.5 = 0.764982043 x = 0.764982043 Simplifying x = 0.764982043Subproblem 2
x + 5.5 = -6.264982043 Simplifying x + 5.5 = -6.264982043 Reorder the terms: 5.5 + x = -6.264982043 Solving 5.5 + x = -6.264982043 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = -6.264982043 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = -6.264982043 + -5.5 x = -6.264982043 + -5.5 Combine like terms: -6.264982043 + -5.5 = -11.764982043 x = -11.764982043 Simplifying x = -11.764982043Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.764982043, -11.764982043}
| 3x+5+5x+10+7x-4=180 | | log(30x)=1+log(6x-8) | | (3x^2-27)(8x^2)6/4(9-3x)(x^2+3x) | | 21x+1+14x+4=180 | | -3x^2+33x-84=0 | | 5-3(x-4)=x+9 | | (-7)(-4)-5= | | 5-23(x-4)=x+9 | | 8x+3=-12x-7 | | 5x^2-18x=-12 | | 8x+3=-12-7 | | 4w^2+70w=74 | | -8x+9y=14 | | (2w)(2w)+70w=74 | | -1/y-6=5 | | 7/3=11/3x-2 | | (3x-6)/(7x+14)*(4x+8)/(14x-28) | | 3x^2-13x+5=0 | | 5-2(x+1)=-11 | | 8/t+7/3t | | 36+4+5a=2a+70 | | 5/x=101 | | -16/x+4 | | x^2/x+4 | | 25z+5z-3z=31 | | 4x/x+4 | | 4x/x+4+7x/x-5 | | (8+y)8=80 | | -4/3x+36/21x=4/21 | | y=2-39 | | (33x+7)+8x=44x-2 | | x+(x+8)=68 |