If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -0.225x2 + 2.56x + -5.54 = 0 Reorder the terms: -5.54 + 2.56x + -0.225x2 = 0 Solving -5.54 + 2.56x + -0.225x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -0.225 the coefficient of the squared term: Divide each side by '-0.225'. 24.62222222 + -11.37777778x + x2 = 0 Move the constant term to the right: Add '-24.62222222' to each side of the equation. 24.62222222 + -11.37777778x + -24.62222222 + x2 = 0 + -24.62222222 Reorder the terms: 24.62222222 + -24.62222222 + -11.37777778x + x2 = 0 + -24.62222222 Combine like terms: 24.62222222 + -24.62222222 = 0.00000000 0.00000000 + -11.37777778x + x2 = 0 + -24.62222222 -11.37777778x + x2 = 0 + -24.62222222 Combine like terms: 0 + -24.62222222 = -24.62222222 -11.37777778x + x2 = -24.62222222 The x term is -11.37777778x. Take half its coefficient (-5.68888889). Square it (32.36345680) and add it to both sides. Add '32.36345680' to each side of the equation. -11.37777778x + 32.36345680 + x2 = -24.62222222 + 32.36345680 Reorder the terms: 32.36345680 + -11.37777778x + x2 = -24.62222222 + 32.36345680 Combine like terms: -24.62222222 + 32.36345680 = 7.74123458 32.36345680 + -11.37777778x + x2 = 7.74123458 Factor a perfect square on the left side: (x + -5.68888889)(x + -5.68888889) = 7.74123458 Calculate the square root of the right side: 2.78230742 Break this problem into two subproblems by setting (x + -5.68888889) equal to 2.78230742 and -2.78230742.Subproblem 1
x + -5.68888889 = 2.78230742 Simplifying x + -5.68888889 = 2.78230742 Reorder the terms: -5.68888889 + x = 2.78230742 Solving -5.68888889 + x = 2.78230742 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.68888889' to each side of the equation. -5.68888889 + 5.68888889 + x = 2.78230742 + 5.68888889 Combine like terms: -5.68888889 + 5.68888889 = 0.00000000 0.00000000 + x = 2.78230742 + 5.68888889 x = 2.78230742 + 5.68888889 Combine like terms: 2.78230742 + 5.68888889 = 8.47119631 x = 8.47119631 Simplifying x = 8.47119631Subproblem 2
x + -5.68888889 = -2.78230742 Simplifying x + -5.68888889 = -2.78230742 Reorder the terms: -5.68888889 + x = -2.78230742 Solving -5.68888889 + x = -2.78230742 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.68888889' to each side of the equation. -5.68888889 + 5.68888889 + x = -2.78230742 + 5.68888889 Combine like terms: -5.68888889 + 5.68888889 = 0.00000000 0.00000000 + x = -2.78230742 + 5.68888889 x = -2.78230742 + 5.68888889 Combine like terms: -2.78230742 + 5.68888889 = 2.90658147 x = 2.90658147 Simplifying x = 2.90658147Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.47119631, 2.90658147}
| 5-2-1=5 | | X-28=8x | | 3k^2+8k-11= | | p(c)=3x^4-4x^2-7 | | 7x^4-134x^3+628x^2-906x+117=0 | | -4y/3=-28 | | y=4(-1)-4 | | y=-2(-1)+2 | | 4/5=-2v | | s+6*s+6=15 | | 8.5x=c+6y | | y=-6(-1)+6 | | 4z^2-15z+4=0 | | x(x-5)=2 | | 8.5-.5y-z=7 | | 8.5-.5-z=7 | | x+5+20=-5 | | 11x+x^2+28=0 | | 6w^2+35w+36=0 | | 3m+21=7 | | y=-6(2)+6 | | -6x+3y=10 | | y=-6(1)+6 | | 2/3(2x-5)-4/3=x/2 | | 72.7-5.8x=4.2x+27.7 | | 5(2x+1)2=0 | | (2x^6)(3x^(1/2)) | | -7x-30(x+4)=-9(4x+5) | | 2n-(3-9n)= | | -19-(-40)=x/7 | | d=lh/r1=r2 | | 2(x+3)=8x+3-6x+3 |