If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2x(3x + -5) + -7 = 20 Reorder the terms: 2x(-5 + 3x) + -7 = 20 (-5 * 2x + 3x * 2x) + -7 = 20 (-10x + 6x2) + -7 = 20 Reorder the terms: -7 + -10x + 6x2 = 20 Solving -7 + -10x + 6x2 = 20 Solving for variable 'x'. Reorder the terms: -7 + -20 + -10x + 6x2 = 20 + -20 Combine like terms: -7 + -20 = -27 -27 + -10x + 6x2 = 20 + -20 Combine like terms: 20 + -20 = 0 -27 + -10x + 6x2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -4.5 + -1.666666667x + x2 = 0 Move the constant term to the right: Add '4.5' to each side of the equation. -4.5 + -1.666666667x + 4.5 + x2 = 0 + 4.5 Reorder the terms: -4.5 + 4.5 + -1.666666667x + x2 = 0 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + -1.666666667x + x2 = 0 + 4.5 -1.666666667x + x2 = 0 + 4.5 Combine like terms: 0 + 4.5 = 4.5 -1.666666667x + x2 = 4.5 The x term is -1.666666667x. Take half its coefficient (-0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. -1.666666667x + 0.6944444447 + x2 = 4.5 + 0.6944444447 Reorder the terms: 0.6944444447 + -1.666666667x + x2 = 4.5 + 0.6944444447 Combine like terms: 4.5 + 0.6944444447 = 5.1944444447 0.6944444447 + -1.666666667x + x2 = 5.1944444447 Factor a perfect square on the left side: (x + -0.8333333335)(x + -0.8333333335) = 5.1944444447 Calculate the square root of the right side: 2.279132389 Break this problem into two subproblems by setting (x + -0.8333333335) equal to 2.279132389 and -2.279132389.Subproblem 1
x + -0.8333333335 = 2.279132389 Simplifying x + -0.8333333335 = 2.279132389 Reorder the terms: -0.8333333335 + x = 2.279132389 Solving -0.8333333335 + x = 2.279132389 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + x = 2.279132389 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + x = 2.279132389 + 0.8333333335 x = 2.279132389 + 0.8333333335 Combine like terms: 2.279132389 + 0.8333333335 = 3.1124657225 x = 3.1124657225 Simplifying x = 3.1124657225Subproblem 2
x + -0.8333333335 = -2.279132389 Simplifying x + -0.8333333335 = -2.279132389 Reorder the terms: -0.8333333335 + x = -2.279132389 Solving -0.8333333335 + x = -2.279132389 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8333333335' to each side of the equation. -0.8333333335 + 0.8333333335 + x = -2.279132389 + 0.8333333335 Combine like terms: -0.8333333335 + 0.8333333335 = 0.0000000000 0.0000000000 + x = -2.279132389 + 0.8333333335 x = -2.279132389 + 0.8333333335 Combine like terms: -2.279132389 + 0.8333333335 = -1.4457990555 x = -1.4457990555 Simplifying x = -1.4457990555Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.1124657225, -1.4457990555}
| -3k+5k+3+4k= | | 3m+10=31 | | 12x-2x+10=2(x-4) | | -26+3x=-49+14x | | c=0.5m | | -5(x+3)=-8x-3 | | 6x^2-66x+144=0 | | 9x-4(x-2)=3(x+1)-9 | | 8w-3=11 | | 10x^2-3x-55=0 | | 4x^2-5x+3=(2x-1)(-x+7) | | (8n+4)(8n^2-8n+8)=0 | | 14=x+(-2y) | | 3x-15=-50 | | 3+7x=-81 | | 7z+10-z=8z-2(2-5) | | 7c+10=70-5c | | 28-6x=13-9x | | y^2-20y+12.96=0 | | 2.5z-6.5=23.5 | | 8c+1=5c-14 | | 12x^2-68x+11= | | m^3+18m^2+81m= | | 958=6 | | a+6/2=-14 | | 462x=924 | | 462x=927 | | x^2-5x-33=3 | | 8(3a+7c)-6(2a+4c)= | | 16+21=30+13x | | 2x^2+6x-72=0 | | 2x^2+15x=2x+7 |