If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x2 + 2x + -9 = 0 Reorder the terms: -9 + 2x + 9x2 = 0 Solving -9 + 2x + 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'. -1 + 0.2222222222x + x2 = 0 Move the constant term to the right: Add '1' to each side of the equation. -1 + 0.2222222222x + 1 + x2 = 0 + 1 Reorder the terms: -1 + 1 + 0.2222222222x + x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 0.2222222222x + x2 = 0 + 1 0.2222222222x + x2 = 0 + 1 Combine like terms: 0 + 1 = 1 0.2222222222x + x2 = 1 The x term is 0.2222222222x. Take half its coefficient (0.1111111111). Square it (0.01234567901) and add it to both sides. Add '0.01234567901' to each side of the equation. 0.2222222222x + 0.01234567901 + x2 = 1 + 0.01234567901 Reorder the terms: 0.01234567901 + 0.2222222222x + x2 = 1 + 0.01234567901 Combine like terms: 1 + 0.01234567901 = 1.01234567901 0.01234567901 + 0.2222222222x + x2 = 1.01234567901 Factor a perfect square on the left side: (x + 0.1111111111)(x + 0.1111111111) = 1.01234567901 Calculate the square root of the right side: 1.006153904 Break this problem into two subproblems by setting (x + 0.1111111111) equal to 1.006153904 and -1.006153904.Subproblem 1
x + 0.1111111111 = 1.006153904 Simplifying x + 0.1111111111 = 1.006153904 Reorder the terms: 0.1111111111 + x = 1.006153904 Solving 0.1111111111 + x = 1.006153904 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1111111111' to each side of the equation. 0.1111111111 + -0.1111111111 + x = 1.006153904 + -0.1111111111 Combine like terms: 0.1111111111 + -0.1111111111 = 0.0000000000 0.0000000000 + x = 1.006153904 + -0.1111111111 x = 1.006153904 + -0.1111111111 Combine like terms: 1.006153904 + -0.1111111111 = 0.8950427929 x = 0.8950427929 Simplifying x = 0.8950427929Subproblem 2
x + 0.1111111111 = -1.006153904 Simplifying x + 0.1111111111 = -1.006153904 Reorder the terms: 0.1111111111 + x = -1.006153904 Solving 0.1111111111 + x = -1.006153904 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1111111111' to each side of the equation. 0.1111111111 + -0.1111111111 + x = -1.006153904 + -0.1111111111 Combine like terms: 0.1111111111 + -0.1111111111 = 0.0000000000 0.0000000000 + x = -1.006153904 + -0.1111111111 x = -1.006153904 + -0.1111111111 Combine like terms: -1.006153904 + -0.1111111111 = -1.1172650151 x = -1.1172650151 Simplifying x = -1.1172650151Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.8950427929, -1.1172650151}
| 7n-23=1n+7 | | (t+12)(t+8)= | | -9=9x^2+2x | | -x-47=6-4x | | 10x+5y=1500fory | | 27=(2y+1) | | -8(1u-3)=1u+3 | | (n+14)(n-3)= | | 3+4y=10+2y | | 10b^2=-8b-7 | | 10x+5y=1500 | | 6(x+3)=-2(x-1) | | 5x^17-8x^12+9x^4+5x-12=0 | | 7x-y=14x | | a^2-20a+83=8 | | 3x+18=9x-27 | | 8x+26=62 | | x-8=15-2x | | y=0.8x+5.99 | | 8n^2+9=649 | | -9x^2-2x+9=0 | | 20+.15x=30+.10x | | 10x^2-27x+5=0 | | 15n^3-6n^2= | | 21a^2-5ab-4b^2=0 | | 2x+(9+x)+x=109 | | -5-8(1-1x)=2(7x-6) | | -3x+15x+7=8x+43 | | 16t^2-50=0 | | 12-9(1y+5)=-1(1-1y) | | 20=x/7 | | 54=3.6x |