If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 1 + -1.8x + 0.81x2 = 0 Solving 1 + -1.8x + 0.81x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 0.81 the coefficient of the squared term: Divide each side by '0.81'. 1.234567901 + -2.222222222x + x2 = 0 Move the constant term to the right: Add '-1.234567901' to each side of the equation. 1.234567901 + -2.222222222x + -1.234567901 + x2 = 0 + -1.234567901 Reorder the terms: 1.234567901 + -1.234567901 + -2.222222222x + x2 = 0 + -1.234567901 Combine like terms: 1.234567901 + -1.234567901 = 0.000000000 0.000000000 + -2.222222222x + x2 = 0 + -1.234567901 -2.222222222x + x2 = 0 + -1.234567901 Combine like terms: 0 + -1.234567901 = -1.234567901 -2.222222222x + x2 = -1.234567901 The x term is -2.222222222x. Take half its coefficient (-1.111111111). Square it (1.234567901) and add it to both sides. Add '1.234567901' to each side of the equation. -2.222222222x + 1.234567901 + x2 = -1.234567901 + 1.234567901 Reorder the terms: 1.234567901 + -2.222222222x + x2 = -1.234567901 + 1.234567901 Combine like terms: -1.234567901 + 1.234567901 = 0.000000000 1.234567901 + -2.222222222x + x2 = 0.000000000 Factor a perfect square on the left side: (x + -1.111111111)(x + -1.111111111) = 0.000000000 Calculate the square root of the right side: 0.000000000 Break this problem into two subproblems by setting (x + -1.111111111) equal to 0.000000000 and 0.000000000.Subproblem 1
x + -1.111111111 = 0.000000000 Simplifying x + -1.111111111 = 0.000000000 Reorder the terms: -1.111111111 + x = 0.000000000 Solving -1.111111111 + x = 0.000000000 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.111111111' to each side of the equation. -1.111111111 + 1.111111111 + x = 0.000000000 + 1.111111111 Combine like terms: -1.111111111 + 1.111111111 = 0.000000000 0.000000000 + x = 0.000000000 + 1.111111111 x = 0.000000000 + 1.111111111 Combine like terms: 0.000000000 + 1.111111111 = 1.111111111 x = 1.111111111 Simplifying x = 1.111111111Subproblem 2
x + -1.111111111 = 0.000000000 Simplifying x + -1.111111111 = 0.000000000 Reorder the terms: -1.111111111 + x = 0.000000000 Solving -1.111111111 + x = 0.000000000 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.111111111' to each side of the equation. -1.111111111 + 1.111111111 + x = 0.000000000 + 1.111111111 Combine like terms: -1.111111111 + 1.111111111 = 0.000000000 0.000000000 + x = 0.000000000 + 1.111111111 x = 0.000000000 + 1.111111111 Combine like terms: 0.000000000 + 1.111111111 = 1.111111111 x = 1.111111111 Simplifying x = 1.111111111Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.111111111, 1.111111111}
| 5x-5+3=23 | | lnx=-.22 | | 2x^2+7x-83=0 | | -3x+1=8x-5 | | 2n^2+88n-2730=0 | | 12x+18+10x-40+60=15x-15-20 | | 9r+8r-3r= | | 9a+2a=-7 | | 3x-1/6x | | 4(-4x^2+5x)-(2x-4x^2)= | | 3(5x+1)+5(x-5)= | | 2e-4=10 | | 4(4x+1)+5(x-5)= | | 5x-5+6x-8+4x+10=180 | | 9y+3=-24 | | 5x-5+6x-8=180 | | 2(-4.5+m)=4(m-3)+5.5 | | 7k-12=58 | | 7r^2-5r+3=0 | | 8x-14=6x-14 | | 368/x= | | 268/x=134 | | 8y=54-y | | 2x-y=2x | | (d^3-2d^2+4d-3)y=0 | | p=a+2c | | 7x-35=-65 | | m(4x-3)2-(3x+2)2-7x(x-1)= | | y^2+5y+7y=-2 | | 2y-x=2y | | Y=0.333333333(-6) | | m(4x-3)-(3x+2)-7x(x-1)= |