If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x2 + 5x = 7 Reorder the terms: 5x + 9x2 = 7 Solving 5x + 9x2 = 7 Solving for variable 'x'. Reorder the terms: -7 + 5x + 9x2 = 7 + -7 Combine like terms: 7 + -7 = 0 -7 + 5x + 9x2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -0.7777777778 + 0.5555555556x + x2 = 0 Move the constant term to the right: Add '0.7777777778' to each side of the equation. -0.7777777778 + 0.5555555556x + 0.7777777778 + x2 = 0 + 0.7777777778 Reorder the terms: -0.7777777778 + 0.7777777778 + 0.5555555556x + x2 = 0 + 0.7777777778 Combine like terms: -0.7777777778 + 0.7777777778 = 0.0000000000 0.0000000000 + 0.5555555556x + x2 = 0 + 0.7777777778 0.5555555556x + x2 = 0 + 0.7777777778 Combine like terms: 0 + 0.7777777778 = 0.7777777778 0.5555555556x + x2 = 0.7777777778 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 = 0.7777777778 + 0.07716049384 Reorder the terms: 0.07716049384 + 0.5555555556x + x2 = 0.7777777778 + 0.07716049384 Combine like terms: 0.7777777778 + 0.07716049384 = 0.85493827164 0.07716049384 + 0.5555555556x + x2 = 0.85493827164 Factor a perfect square on the left side: (x + 0.2777777778)(x + 0.2777777778) = 0.85493827164 Calculate the square root of the right side: 0.924628721 Break this problem into two subproblems by setting (x + 0.2777777778) equal to 0.924628721 and -0.924628721.Subproblem 1
x + 0.2777777778 = 0.924628721 Simplifying x + 0.2777777778 = 0.924628721 Reorder the terms: 0.2777777778 + x = 0.924628721 Solving 0.2777777778 + x = 0.924628721 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 = 0.924628721 + -0.2777777778 Combine like terms: 0.2777777778 + -0.2777777778 = 0.0000000000 0.0000000000 + x = 0.924628721 + -0.2777777778 x = 0.924628721 + -0.2777777778 Combine like terms: 0.924628721 + -0.2777777778 = 0.6468509432 x = 0.6468509432 Simplifying x = 0.6468509432Subproblem 2
x + 0.2777777778 = -0.924628721 Simplifying x + 0.2777777778 = -0.924628721 Reorder the terms: 0.2777777778 + x = -0.924628721 Solving 0.2777777778 + x = -0.924628721 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 = -0.924628721 + -0.2777777778 Combine like terms: 0.2777777778 + -0.2777777778 = 0.0000000000 0.0000000000 + x = -0.924628721 + -0.2777777778 x = -0.924628721 + -0.2777777778 Combine like terms: -0.924628721 + -0.2777777778 = -1.2024064988 x = -1.2024064988 Simplifying x = -1.2024064988Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.6468509432, -1.2024064988}
| 10y^3-36y^2-70y= | | -4x=-3x-3 | | 3x^2-4x+6=x^2+6x-2 | | 3x+16=-5 | | 5x+21=2x-56 | | 1/a-5/3a=1/3 | | -3+8=29 | | 15-20=10(x-3) | | 5x-14=-34 | | 6n^2+4n=9 | | 5x+1=x+2 | | 2x+40=x-50 | | 28/P-16*(P+16)/48=-2.5 | | 10x+16=-44 | | 8x-25=-44 | | -20x+4(-12+6x)=-36 | | 4x+28=-60 | | 2n^2+4n+2=0 | | 28/P-16(P+16)/48=-2.5 | | 3n-9=-30 | | 4n+16-2n=18 | | 1/5-1/3y=-4/3 | | -4+4k=4(8k-8) | | x=0.15*55.99 | | 48/P-16(P+16)/P-16(P+16)/48 | | 3/7y-7/3=-5/2 | | -a-5(8a-1)=39-7a | | -3(p+2)=30 | | -9x-6x=-2 | | (z+1)(z+2)= | | 5/6x+18+x+4/2x | | 15b^2-69b-126=0 |