If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -9x2 + 8x + 5 = 0 Reorder the terms: 5 + 8x + -9x2 = 0 Solving 5 + 8x + -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'. -0.5555555556 + -0.8888888889x + x2 = 0 Move the constant term to the right: Add '0.5555555556' to each side of the equation. -0.5555555556 + -0.8888888889x + 0.5555555556 + x2 = 0 + 0.5555555556 Reorder the terms: -0.5555555556 + 0.5555555556 + -0.8888888889x + x2 = 0 + 0.5555555556 Combine like terms: -0.5555555556 + 0.5555555556 = 0.0000000000 0.0000000000 + -0.8888888889x + x2 = 0 + 0.5555555556 -0.8888888889x + x2 = 0 + 0.5555555556 Combine like terms: 0 + 0.5555555556 = 0.5555555556 -0.8888888889x + x2 = 0.5555555556 The x term is -0.8888888889x. Take half its coefficient (-0.4444444445). Square it (0.1975308642) and add it to both sides. Add '0.1975308642' to each side of the equation. -0.8888888889x + 0.1975308642 + x2 = 0.5555555556 + 0.1975308642 Reorder the terms: 0.1975308642 + -0.8888888889x + x2 = 0.5555555556 + 0.1975308642 Combine like terms: 0.5555555556 + 0.1975308642 = 0.7530864198 0.1975308642 + -0.8888888889x + x2 = 0.7530864198 Factor a perfect square on the left side: (x + -0.4444444445)(x + -0.4444444445) = 0.7530864198 Calculate the square root of the right side: 0.86780552 Break this problem into two subproblems by setting (x + -0.4444444445) equal to 0.86780552 and -0.86780552.Subproblem 1
x + -0.4444444445 = 0.86780552 Simplifying x + -0.4444444445 = 0.86780552 Reorder the terms: -0.4444444445 + x = 0.86780552 Solving -0.4444444445 + x = 0.86780552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4444444445' to each side of the equation. -0.4444444445 + 0.4444444445 + x = 0.86780552 + 0.4444444445 Combine like terms: -0.4444444445 + 0.4444444445 = 0.0000000000 0.0000000000 + x = 0.86780552 + 0.4444444445 x = 0.86780552 + 0.4444444445 Combine like terms: 0.86780552 + 0.4444444445 = 1.3122499645 x = 1.3122499645 Simplifying x = 1.3122499645Subproblem 2
x + -0.4444444445 = -0.86780552 Simplifying x + -0.4444444445 = -0.86780552 Reorder the terms: -0.4444444445 + x = -0.86780552 Solving -0.4444444445 + x = -0.86780552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4444444445' to each side of the equation. -0.4444444445 + 0.4444444445 + x = -0.86780552 + 0.4444444445 Combine like terms: -0.4444444445 + 0.4444444445 = 0.0000000000 0.0000000000 + x = -0.86780552 + 0.4444444445 x = -0.86780552 + 0.4444444445 Combine like terms: -0.86780552 + 0.4444444445 = -0.4233610755 x = -0.4233610755 Simplifying x = -0.4233610755Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.3122499645, -0.4233610755}
| 2(-.5)= | | -2*(1/2) | | 21w-8y-11w+2y= | | 50-5x=5x-50 | | x(2x-8)=96 | | -2x^5+4x^4-10x= | | k-4=5k+36 | | 6X+12X=8+120 | | (-3/8)(-3/8) | | 3x^3-8x^2=3x | | -3/8x-3/8 | | -7(-4)(-3)(-1)= | | 48(5/12) | | 5y^2-24y-36=0 | | 15-2=x+7 | | 30x-25=9x^2 | | 25a^2-625=0 | | 3v-2=5-v | | 10(7x)= | | 5y^2-24y-48=0 | | =x^2+12x+.0000018 | | 3*y=27 | | 4[6-(y+3)]= | | 1/5(23-5y)=4x-9y+13 | | 7(3n-8)= | | -3*3+6y=-18 | | -16t^2+64t+48=0 | | 9x-9y=-5 | | x-3(y-2)=15+7 | | 7p-23=-17+4p | | x-0.8=8.68 | | 5(-2-27)= |