If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 21x2 = 55x + 14 Reorder the terms: 21x2 = 14 + 55x Solving 21x2 = 14 + 55x Solving for variable 'x'. Reorder the terms: -14 + -55x + 21x2 = 14 + 55x + -14 + -55x Reorder the terms: -14 + -55x + 21x2 = 14 + -14 + 55x + -55x Combine like terms: 14 + -14 = 0 -14 + -55x + 21x2 = 0 + 55x + -55x -14 + -55x + 21x2 = 55x + -55x Combine like terms: 55x + -55x = 0 -14 + -55x + 21x2 = 0 Begin completing the square. Divide all terms by 21 the coefficient of the squared term: Divide each side by '21'. -0.6666666667 + -2.619047619x + x2 = 0 Move the constant term to the right: Add '0.6666666667' to each side of the equation. -0.6666666667 + -2.619047619x + 0.6666666667 + x2 = 0 + 0.6666666667 Reorder the terms: -0.6666666667 + 0.6666666667 + -2.619047619x + x2 = 0 + 0.6666666667 Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000 0.0000000000 + -2.619047619x + x2 = 0 + 0.6666666667 -2.619047619x + x2 = 0 + 0.6666666667 Combine like terms: 0 + 0.6666666667 = 0.6666666667 -2.619047619x + x2 = 0.6666666667 The x term is -2.619047619x. Take half its coefficient (-1.30952381). Square it (1.714852609) and add it to both sides. Add '1.714852609' to each side of the equation. -2.619047619x + 1.714852609 + x2 = 0.6666666667 + 1.714852609 Reorder the terms: 1.714852609 + -2.619047619x + x2 = 0.6666666667 + 1.714852609 Combine like terms: 0.6666666667 + 1.714852609 = 2.3815192757 1.714852609 + -2.619047619x + x2 = 2.3815192757 Factor a perfect square on the left side: (x + -1.30952381)(x + -1.30952381) = 2.3815192757 Calculate the square root of the right side: 1.543217184 Break this problem into two subproblems by setting (x + -1.30952381) equal to 1.543217184 and -1.543217184.Subproblem 1
x + -1.30952381 = 1.543217184 Simplifying x + -1.30952381 = 1.543217184 Reorder the terms: -1.30952381 + x = 1.543217184 Solving -1.30952381 + x = 1.543217184 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.30952381' to each side of the equation. -1.30952381 + 1.30952381 + x = 1.543217184 + 1.30952381 Combine like terms: -1.30952381 + 1.30952381 = 0.00000000 0.00000000 + x = 1.543217184 + 1.30952381 x = 1.543217184 + 1.30952381 Combine like terms: 1.543217184 + 1.30952381 = 2.852740994 x = 2.852740994 Simplifying x = 2.852740994Subproblem 2
x + -1.30952381 = -1.543217184 Simplifying x + -1.30952381 = -1.543217184 Reorder the terms: -1.30952381 + x = -1.543217184 Solving -1.30952381 + x = -1.543217184 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.30952381' to each side of the equation. -1.30952381 + 1.30952381 + x = -1.543217184 + 1.30952381 Combine like terms: -1.30952381 + 1.30952381 = 0.00000000 0.00000000 + x = -1.543217184 + 1.30952381 x = -1.543217184 + 1.30952381 Combine like terms: -1.543217184 + 1.30952381 = -0.233693374 x = -0.233693374 Simplifying x = -0.233693374Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.852740994, -0.233693374}
| 6x+8.18=3x+14 | | factorisez^2+20z-121=0 | | 6n^2=-10n-2 | | sqrt(8u^5x)sqrt(2u^3x^8)= | | (a+6)(a-9)=-6a | | (a+6)(a-9)=-6a | | -3.2x+1.1=-14.9 | | solvez^2+20z-121=0 | | m+6-2m+3m=4m-24+16 | | 0.5625L-1.125=0.375L | | 16x-3y=8 | | -16t^2-5t+500=d | | (7x-6)(x-2)=0 | | 4y^3-2y^2-30y=0 | | -7-5=3x+2-2x | | 4x^3+18x^2+18x=0 | | x-5=-3+4 | | n=-11+25 | | 4x-64x^3=0 | | -11q=-69.3-1.1q | | 5x^2+5x-13=29-24x | | 13x+28=5x+228 | | 5x+5x-13=29-24x | | y=x^3+4x^2+4x | | 6p^2-p-2=0 | | 9y^2-24y+15=0 | | 8y-5=13y+40 | | 6-8x=57-29x | | 50-30-15-6=51 | | 1*1=a | | -8(9+y)=-40 | | 3w(l)=13500 |