If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 8x2 + 25x + 13 = 0 Reorder the terms: 13 + 25x + 8x2 = 0 Solving 13 + 25x + 8x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. 1.625 + 3.125x + x2 = 0 Move the constant term to the right: Add '-1.625' to each side of the equation. 1.625 + 3.125x + -1.625 + x2 = 0 + -1.625 Reorder the terms: 1.625 + -1.625 + 3.125x + x2 = 0 + -1.625 Combine like terms: 1.625 + -1.625 = 0.000 0.000 + 3.125x + x2 = 0 + -1.625 3.125x + x2 = 0 + -1.625 Combine like terms: 0 + -1.625 = -1.625 3.125x + x2 = -1.625 The x term is 3.125x. Take half its coefficient (1.5625). Square it (2.44140625) and add it to both sides. Add '2.44140625' to each side of the equation. 3.125x + 2.44140625 + x2 = -1.625 + 2.44140625 Reorder the terms: 2.44140625 + 3.125x + x2 = -1.625 + 2.44140625 Combine like terms: -1.625 + 2.44140625 = 0.81640625 2.44140625 + 3.125x + x2 = 0.81640625 Factor a perfect square on the left side: (x + 1.5625)(x + 1.5625) = 0.81640625 Calculate the square root of the right side: 0.903552018 Break this problem into two subproblems by setting (x + 1.5625) equal to 0.903552018 and -0.903552018.Subproblem 1
x + 1.5625 = 0.903552018 Simplifying x + 1.5625 = 0.903552018 Reorder the terms: 1.5625 + x = 0.903552018 Solving 1.5625 + x = 0.903552018 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5625' to each side of the equation. 1.5625 + -1.5625 + x = 0.903552018 + -1.5625 Combine like terms: 1.5625 + -1.5625 = 0.0000 0.0000 + x = 0.903552018 + -1.5625 x = 0.903552018 + -1.5625 Combine like terms: 0.903552018 + -1.5625 = -0.658947982 x = -0.658947982 Simplifying x = -0.658947982Subproblem 2
x + 1.5625 = -0.903552018 Simplifying x + 1.5625 = -0.903552018 Reorder the terms: 1.5625 + x = -0.903552018 Solving 1.5625 + x = -0.903552018 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5625' to each side of the equation. 1.5625 + -1.5625 + x = -0.903552018 + -1.5625 Combine like terms: 1.5625 + -1.5625 = 0.0000 0.0000 + x = -0.903552018 + -1.5625 x = -0.903552018 + -1.5625 Combine like terms: -0.903552018 + -1.5625 = -2.466052018 x = -2.466052018 Simplifying x = -2.466052018Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.658947982, -2.466052018}
| X^2+8x-26=0 | | 2(x+2)-4x=12 | | 2b(b+6)+3(b+6)=0 | | 6x^3+(-2)-(-2x)-5x^3-4x^2+x+4x^2+15= | | 56b^2+31b+3=0 | | 56b^2+31b+13=0 | | -7x+5x^2-5x^3+8x+3x^2-7x^3+x^3= | | a^2-6ax-16x^2=0 | | v^2-4v-32=0 | | 9x^3-8x^2-2x-20=0 | | 4x^3+6x^2+6x-1+5x^3-x^2-(-9)= | | 55a^2+28a-3=0 | | -x-5x+(-3x^2)-9-2x+7= | | 5x-129+2x-21=180 | | 8cos(t)+3sin(t)=0 | | 65r^2+34r-3=0 | | -7+x^3-5x^2+4x-5x+3= | | 1.8+6n-3.2=7.6 | | -7+x^3= | | 4r^2-22r+10=0 | | 0.4(x-6)=0.7(2x+3)+0.5 | | -4x-2y=-20 | | 6r^2+31r+35=0 | | 5x-129-2x-21=180 | | w^2-2wf-24f^2=0 | | 5y+3x=95 | | s^2-2s-63=0 | | y-0.817y=1 | | 6x-10=2x+2 | | w^3+4w-96=0 | | 10(h-1)+18=7(h+3-1) | | 8=4.2r-7+1.8r |