If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x2 + 13x + -90 = 0 Reorder the terms: -90 + 13x + 9x2 = 0 Solving -90 + 13x + 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'. -10 + 1.444444444x + x2 = 0 Move the constant term to the right: Add '10' to each side of the equation. -10 + 1.444444444x + 10 + x2 = 0 + 10 Reorder the terms: -10 + 10 + 1.444444444x + x2 = 0 + 10 Combine like terms: -10 + 10 = 0 0 + 1.444444444x + x2 = 0 + 10 1.444444444x + x2 = 0 + 10 Combine like terms: 0 + 10 = 10 1.444444444x + x2 = 10 The x term is 1.444444444x. Take half its coefficient (0.722222222). Square it (0.5216049380) and add it to both sides. Add '0.5216049380' to each side of the equation. 1.444444444x + 0.5216049380 + x2 = 10 + 0.5216049380 Reorder the terms: 0.5216049380 + 1.444444444x + x2 = 10 + 0.5216049380 Combine like terms: 10 + 0.5216049380 = 10.521604938 0.5216049380 + 1.444444444x + x2 = 10.521604938 Factor a perfect square on the left side: (x + 0.722222222)(x + 0.722222222) = 10.521604938 Calculate the square root of the right side: 3.24370235 Break this problem into two subproblems by setting (x + 0.722222222) equal to 3.24370235 and -3.24370235.Subproblem 1
x + 0.722222222 = 3.24370235 Simplifying x + 0.722222222 = 3.24370235 Reorder the terms: 0.722222222 + x = 3.24370235 Solving 0.722222222 + x = 3.24370235 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.722222222' to each side of the equation. 0.722222222 + -0.722222222 + x = 3.24370235 + -0.722222222 Combine like terms: 0.722222222 + -0.722222222 = 0.000000000 0.000000000 + x = 3.24370235 + -0.722222222 x = 3.24370235 + -0.722222222 Combine like terms: 3.24370235 + -0.722222222 = 2.521480128 x = 2.521480128 Simplifying x = 2.521480128Subproblem 2
x + 0.722222222 = -3.24370235 Simplifying x + 0.722222222 = -3.24370235 Reorder the terms: 0.722222222 + x = -3.24370235 Solving 0.722222222 + x = -3.24370235 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.722222222' to each side of the equation. 0.722222222 + -0.722222222 + x = -3.24370235 + -0.722222222 Combine like terms: 0.722222222 + -0.722222222 = 0.000000000 0.000000000 + x = -3.24370235 + -0.722222222 x = -3.24370235 + -0.722222222 Combine like terms: -3.24370235 + -0.722222222 = -3.965924572 x = -3.965924572 Simplifying x = -3.965924572Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.521480128, -3.965924572}
| 16y-9y+12=33 | | (m^2-13-14m^3)+(-2m+10m^2-14m)= | | 68=x+47 | | x-(x-48)=180 | | 10x^2=-55x-60 | | -x/19=5 | | 2x+3x-6=5x-3 | | 3(2-4x)+6=9 | | -5x-29=-49 | | -24-52= | | 8/20=6/15 | | 8/206/15 | | 13(4)= | | 8/2010/4 | | 6x^2-10x+3x-5=0 | | 7.4e+2.6e-9=2e | | 8/20x/2.5 | | 2x-11=-15 | | -24-13(4)= | | 13/3.50 | | 4x^2-20x+6x-30=0 | | -3n+3n-15=n-7 | | 4x^2-8x+15x-30=0 | | 5x-4-2x+1=3x-3 | | -7x+4x=7-2x | | 6x^2-20x+21x-70=0 | | 3/n-3=12 | | 8p-34=-5(-6p-2) | | 8x^2+6x-4x-3=0 | | 1/8+3/7 | | .5-.625x=.875+3.5 | | -2(2-4k)=-6+8k |