If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -1 + -9x + x2 = 0 Solving -1 + -9x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '1' to each side of the equation. -1 + -9x + 1 + x2 = 0 + 1 Reorder the terms: -1 + 1 + -9x + x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -9x + x2 = 0 + 1 -9x + x2 = 0 + 1 Combine like terms: 0 + 1 = 1 -9x + x2 = 1 The x term is -9x. Take half its coefficient (-4.5). Square it (20.25) and add it to both sides. Add '20.25' to each side of the equation. -9x + 20.25 + x2 = 1 + 20.25 Reorder the terms: 20.25 + -9x + x2 = 1 + 20.25 Combine like terms: 1 + 20.25 = 21.25 20.25 + -9x + x2 = 21.25 Factor a perfect square on the left side: (x + -4.5)(x + -4.5) = 21.25 Calculate the square root of the right side: 4.609772229 Break this problem into two subproblems by setting (x + -4.5) equal to 4.609772229 and -4.609772229.Subproblem 1
x + -4.5 = 4.609772229 Simplifying x + -4.5 = 4.609772229 Reorder the terms: -4.5 + x = 4.609772229 Solving -4.5 + x = 4.609772229 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + x = 4.609772229 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = 4.609772229 + 4.5 x = 4.609772229 + 4.5 Combine like terms: 4.609772229 + 4.5 = 9.109772229 x = 9.109772229 Simplifying x = 9.109772229Subproblem 2
x + -4.5 = -4.609772229 Simplifying x + -4.5 = -4.609772229 Reorder the terms: -4.5 + x = -4.609772229 Solving -4.5 + x = -4.609772229 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + x = -4.609772229 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + x = -4.609772229 + 4.5 x = -4.609772229 + 4.5 Combine like terms: -4.609772229 + 4.5 = -0.109772229 x = -0.109772229 Simplifying x = -0.109772229Solution
The solution to the problem is based on the solutions from the subproblems. x = {9.109772229, -0.109772229}
| (4x-3)(4x+3)=0 | | 8x+15=-11 | | 9y-9=7y+7 | | 5[2-(2n-4)]=2(5-3n) | | 9-3z=9-3z | | 1/3X2(2/3) | | 2x^2=7X+72 | | 4(y-3)-30=2 | | 1/3X22/3 | | 13-9x=169-37x | | (x+5)(2x-6) | | 3x-13=x+6 | | 5x+2=-33 | | 8x+11=83 | | 1/6x+1/8x=35 | | 1/3x+1/9x=28 | | 1/3x+1/7x=80 | | 2/3x+4=5 | | (81x^2/9x^-6)^(1/2) | | (81x^2/9x^-6) | | 128+4y=-32 | | (81x^2/(9x^-6))^(1/2) | | 64+4y=-32 | | 10x=5/9 | | 5(-3x-1)+7=-1+30 | | 2x=5+-1x | | f(x)=x^3+2x^2-4x-8 | | y+10=0 | | 3y+16=7y+24 | | 3/4-3/7 | | 2/5(y+10)=0 | | 5x-9y=11fory |