If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 0 = 9x2 + 5x + -1 Reorder the terms: 0 = -1 + 5x + 9x2 Solving 0 = -1 + 5x + 9x2 Solving for variable 'x'. Combine like terms: 0 + 1 = 1 1 + -5x + -9x2 = -1 + 5x + 9x2 + 1 + -5x + -9x2 Reorder the terms: 1 + -5x + -9x2 = -1 + 1 + 5x + -5x + 9x2 + -9x2 Combine like terms: -1 + 1 = 0 1 + -5x + -9x2 = 0 + 5x + -5x + 9x2 + -9x2 1 + -5x + -9x2 = 5x + -5x + 9x2 + -9x2 Combine like terms: 5x + -5x = 0 1 + -5x + -9x2 = 0 + 9x2 + -9x2 1 + -5x + -9x2 = 9x2 + -9x2 Combine like terms: 9x2 + -9x2 = 0 1 + -5x + -9x2 = 0 Begin completing the square. Divide all terms by -9 the coefficient of the squared term: Divide each side by '-9'. -0.1111111111 + 0.5555555556x + x2 = 0 Move the constant term to the right: Add '0.1111111111' to each side of the equation. -0.1111111111 + 0.5555555556x + 0.1111111111 + x2 = 0 + 0.1111111111 Reorder the terms: -0.1111111111 + 0.1111111111 + 0.5555555556x + x2 = 0 + 0.1111111111 Combine like terms: -0.1111111111 + 0.1111111111 = 0.0000000000 0.0000000000 + 0.5555555556x + x2 = 0 + 0.1111111111 0.5555555556x + x2 = 0 + 0.1111111111 Combine like terms: 0 + 0.1111111111 = 0.1111111111 0.5555555556x + x2 = 0.1111111111 The x term is 0.5555555556x. Take half its coefficient (0.2777777778). Square it (0.07716049384) and add it to both sides. Add '0.07716049384' to each side of the equation. 0.5555555556x + 0.07716049384 + x2 = 0.1111111111 + 0.07716049384 Reorder the terms: 0.07716049384 + 0.5555555556x + x2 = 0.1111111111 + 0.07716049384 Combine like terms: 0.1111111111 + 0.07716049384 = 0.18827160494 0.07716049384 + 0.5555555556x + x2 = 0.18827160494 Factor a perfect square on the left side: (x + 0.2777777778)(x + 0.2777777778) = 0.18827160494 Calculate the square root of the right side: 0.43390276 Break this problem into two subproblems by setting (x + 0.2777777778) equal to 0.43390276 and -0.43390276.Subproblem 1
x + 0.2777777778 = 0.43390276 Simplifying x + 0.2777777778 = 0.43390276 Reorder the terms: 0.2777777778 + x = 0.43390276 Solving 0.2777777778 + x = 0.43390276 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2777777778' to each side of the equation. 0.2777777778 + -0.2777777778 + x = 0.43390276 + -0.2777777778 Combine like terms: 0.2777777778 + -0.2777777778 = 0.0000000000 0.0000000000 + x = 0.43390276 + -0.2777777778 x = 0.43390276 + -0.2777777778 Combine like terms: 0.43390276 + -0.2777777778 = 0.1561249822 x = 0.1561249822 Simplifying x = 0.1561249822Subproblem 2
x + 0.2777777778 = -0.43390276 Simplifying x + 0.2777777778 = -0.43390276 Reorder the terms: 0.2777777778 + x = -0.43390276 Solving 0.2777777778 + x = -0.43390276 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2777777778' to each side of the equation. 0.2777777778 + -0.2777777778 + x = -0.43390276 + -0.2777777778 Combine like terms: 0.2777777778 + -0.2777777778 = 0.0000000000 0.0000000000 + x = -0.43390276 + -0.2777777778 x = -0.43390276 + -0.2777777778 Combine like terms: -0.43390276 + -0.2777777778 = -0.7116805378 x = -0.7116805378 Simplifying x = -0.7116805378Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.1561249822, -0.7116805378}
| -16/-3=2x/-3-16 | | 3e^2x=8 | | 12=2+27-16t^2 | | 25y^2-10y+1= | | (6x+5)-(8x+15)= | | 16v^2+56v+49= | | f(x)=9x^2+5x-1 | | 4/7+1/7 | | 7mn(2m-3n)= | | 52=1/2(8)(x+3) | | 14z^2+17z-6= | | 104=16(x+6) | | -28/15=16/5t | | a^2-2a+29=-2 | | 2m=18/13 | | 5/3m=10 | | 14z^2-29z+12= | | 2x+(-3)x=4(-2) | | 2x^2-9x-18= | | 5x^4-2x^2+20x-8= | | 3x^2+x-24= | | 18.5+2.25(7)=47.75 | | 2(x+7)(x+7)=64 | | 6s+2=6s-9 | | 2x-64=48 | | 1/48x^2-1/16=0 | | 2/3x=4y+3 | | 8x+7-10x=11 | | (1-9/X)^2=16/25 | | -3/10=n/15 | | 17x^2+18x-19=0 | | 7x^2-2x-5= |