If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -6x2 + 9x + 8 = 0 Reorder the terms: 8 + 9x + -6x2 = 0 Solving 8 + 9x + -6x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -6 the coefficient of the squared term: Divide each side by '-6'. -1.333333333 + -1.5x + x2 = 0 Move the constant term to the right: Add '1.333333333' to each side of the equation. -1.333333333 + -1.5x + 1.333333333 + x2 = 0 + 1.333333333 Reorder the terms: -1.333333333 + 1.333333333 + -1.5x + x2 = 0 + 1.333333333 Combine like terms: -1.333333333 + 1.333333333 = 0.000000000 0.000000000 + -1.5x + x2 = 0 + 1.333333333 -1.5x + x2 = 0 + 1.333333333 Combine like terms: 0 + 1.333333333 = 1.333333333 -1.5x + x2 = 1.333333333 The x term is -1.5x. Take half its coefficient (-0.75). Square it (0.5625) and add it to both sides. Add '0.5625' to each side of the equation. -1.5x + 0.5625 + x2 = 1.333333333 + 0.5625 Reorder the terms: 0.5625 + -1.5x + x2 = 1.333333333 + 0.5625 Combine like terms: 1.333333333 + 0.5625 = 1.895833333 0.5625 + -1.5x + x2 = 1.895833333 Factor a perfect square on the left side: (x + -0.75)(x + -0.75) = 1.895833333 Calculate the square root of the right side: 1.376892637 Break this problem into two subproblems by setting (x + -0.75) equal to 1.376892637 and -1.376892637.Subproblem 1
x + -0.75 = 1.376892637 Simplifying x + -0.75 = 1.376892637 Reorder the terms: -0.75 + x = 1.376892637 Solving -0.75 + x = 1.376892637 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = 1.376892637 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 1.376892637 + 0.75 x = 1.376892637 + 0.75 Combine like terms: 1.376892637 + 0.75 = 2.126892637 x = 2.126892637 Simplifying x = 2.126892637Subproblem 2
x + -0.75 = -1.376892637 Simplifying x + -0.75 = -1.376892637 Reorder the terms: -0.75 + x = -1.376892637 Solving -0.75 + x = -1.376892637 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = -1.376892637 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -1.376892637 + 0.75 x = -1.376892637 + 0.75 Combine like terms: -1.376892637 + 0.75 = -0.626892637 x = -0.626892637 Simplifying x = -0.626892637Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.126892637, -0.626892637}
| x^5-x^4+3x^3-3x^2-4x+4=0 | | x-5x+7=-8 | | x-14=5-12 | | 2-3(x-6)=12 | | X+11+-42=-18 | | Y=x^2+8x-2 | | 99+5x=2000+5x+-911 | | L(L-4)=96 | | -3x-11x=-211 | | 3m^2-m=0 | | 187.8=43k+23 | | 64x^3-125v^3= | | 8x+10x=72 | | X+3-42=-24 | | v^2-v-56=0 | | 4x(x)-19x-30=0 | | x-5x+7=8 | | 100=4y | | 10x-21=-211 | | 2x^2+3x-11=0 | | 9w^2-25d^2= | | X+y=4k | | 3r^2-4r+1=0 | | 1-6X=6X+25 | | x-5+7=8 | | 729x^4-125x=0 | | 3x+-42=-24 | | (9x-8)(81x^2-144x+64)=0 | | 8x-11=45 | | (3a-5)(3a-5)=0 | | (3x+7)(7x-3)=0 | | 7x+2=x-16 |