If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 21x2 + -14x + -100 = 0 Reorder the terms: -100 + -14x + 21x2 = 0 Solving -100 + -14x + 21x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 21 the coefficient of the squared term: Divide each side by '21'. -4.761904762 + -0.6666666667x + x2 = 0 Move the constant term to the right: Add '4.761904762' to each side of the equation. -4.761904762 + -0.6666666667x + 4.761904762 + x2 = 0 + 4.761904762 Reorder the terms: -4.761904762 + 4.761904762 + -0.6666666667x + x2 = 0 + 4.761904762 Combine like terms: -4.761904762 + 4.761904762 = 0.000000000 0.000000000 + -0.6666666667x + x2 = 0 + 4.761904762 -0.6666666667x + x2 = 0 + 4.761904762 Combine like terms: 0 + 4.761904762 = 4.761904762 -0.6666666667x + x2 = 4.761904762 The x term is -0.6666666667x. Take half its coefficient (-0.3333333334). Square it (0.1111111112) and add it to both sides. Add '0.1111111112' to each side of the equation. -0.6666666667x + 0.1111111112 + x2 = 4.761904762 + 0.1111111112 Reorder the terms: 0.1111111112 + -0.6666666667x + x2 = 4.761904762 + 0.1111111112 Combine like terms: 4.761904762 + 0.1111111112 = 4.8730158732 0.1111111112 + -0.6666666667x + x2 = 4.8730158732 Factor a perfect square on the left side: (x + -0.3333333334)(x + -0.3333333334) = 4.8730158732 Calculate the square root of the right side: 2.207490855 Break this problem into two subproblems by setting (x + -0.3333333334) equal to 2.207490855 and -2.207490855.Subproblem 1
x + -0.3333333334 = 2.207490855 Simplifying x + -0.3333333334 = 2.207490855 Reorder the terms: -0.3333333334 + x = 2.207490855 Solving -0.3333333334 + x = 2.207490855 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = 2.207490855 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = 2.207490855 + 0.3333333334 x = 2.207490855 + 0.3333333334 Combine like terms: 2.207490855 + 0.3333333334 = 2.5408241884 x = 2.5408241884 Simplifying x = 2.5408241884Subproblem 2
x + -0.3333333334 = -2.207490855 Simplifying x + -0.3333333334 = -2.207490855 Reorder the terms: -0.3333333334 + x = -2.207490855 Solving -0.3333333334 + x = -2.207490855 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = -2.207490855 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = -2.207490855 + 0.3333333334 x = -2.207490855 + 0.3333333334 Combine like terms: -2.207490855 + 0.3333333334 = -1.8741575216 x = -1.8741575216 Simplifying x = -1.8741575216Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.5408241884, -1.8741575216}
| 2x+10+2x-20=180 | | 4(-3)+y=-12 | | 5(y-7)=3y-29 | | 14p+13=6p+29 | | 7x+5x-21=84-9x | | 14-3c=32 | | 20m+0.05m=10m+0.07m | | -5x-2+3x=4x+4 | | 5x-7=(x-2)+3 | | 3.2(2x+3)=5(0.2x-0.9) | | 8x+71=7 | | X^2+8x-59=4 | | 10(3t)=4(5t) | | c=x+0.06+0.15 | | 7(6m+7)=42 | | 30.00+0.25x=59.50 | | 3x+7x=9 | | 3y-2=-5(y-6) | | 2(3-y-1)+3(y-4)=13 | | 14+28m=28+21 | | 4(5-7x)=60-26x | | 18x+7=20x-5 | | 5(4x-3)-5x= | | 3x^2-15x=72 | | y^2+8.5y=15 | | 4x-8n=p | | 1x^2+4x-45=0 | | 1.5-76= | | 15x+10=5x+10 | | x^2+18-88=0 | | 7x+14=7(c+2) | | 18(x^2-1)=77x |