If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + 12x + -7 = 0 Reorder the terms: -7 + 12x + 3x2 = 0 Solving -7 + 12x + 3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -2.333333333 + 4x + x2 = 0 Move the constant term to the right: Add '2.333333333' to each side of the equation. -2.333333333 + 4x + 2.333333333 + x2 = 0 + 2.333333333 Reorder the terms: -2.333333333 + 2.333333333 + 4x + x2 = 0 + 2.333333333 Combine like terms: -2.333333333 + 2.333333333 = 0.000000000 0.000000000 + 4x + x2 = 0 + 2.333333333 4x + x2 = 0 + 2.333333333 Combine like terms: 0 + 2.333333333 = 2.333333333 4x + x2 = 2.333333333 The x term is 4x. Take half its coefficient (2). Square it (4) and add it to both sides. Add '4' to each side of the equation. 4x + 4 + x2 = 2.333333333 + 4 Reorder the terms: 4 + 4x + x2 = 2.333333333 + 4 Combine like terms: 2.333333333 + 4 = 6.333333333 4 + 4x + x2 = 6.333333333 Factor a perfect square on the left side: (x + 2)(x + 2) = 6.333333333 Calculate the square root of the right side: 2.516611478 Break this problem into two subproblems by setting (x + 2) equal to 2.516611478 and -2.516611478.Subproblem 1
x + 2 = 2.516611478 Simplifying x + 2 = 2.516611478 Reorder the terms: 2 + x = 2.516611478 Solving 2 + x = 2.516611478 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 2.516611478 + -2 Combine like terms: 2 + -2 = 0 0 + x = 2.516611478 + -2 x = 2.516611478 + -2 Combine like terms: 2.516611478 + -2 = 0.516611478 x = 0.516611478 Simplifying x = 0.516611478Subproblem 2
x + 2 = -2.516611478 Simplifying x + 2 = -2.516611478 Reorder the terms: 2 + x = -2.516611478 Solving 2 + x = -2.516611478 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -2.516611478 + -2 Combine like terms: 2 + -2 = 0 0 + x = -2.516611478 + -2 x = -2.516611478 + -2 Combine like terms: -2.516611478 + -2 = -4.516611478 x = -4.516611478 Simplifying x = -4.516611478Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.516611478, -4.516611478}
| 5x^2-4=0 | | 5x^2+4=0 | | x^3=2-x | | -0.63p=-2 | | -3n+6+5n=7n-8n-9 | | 4x^2-9x+23=7x+8 | | 7x-2y=-14 | | x^6+5=26 | | 6x+11=75-2 | | x^4=-10 | | x^4=20 | | 9(4x+1)=3x-6x | | 1/4-x=3/8 | | -2x-5=21 | | 59-2x=7x+20 | | -x+3=4x+7 | | 9(4x-1)=3x-6x | | -3+10=2x+8+1 | | 5x-2=6(x-6) | | 7x-6w= | | 9-8x=29-15x | | 15x-4=12x-7 | | 16a+19b+6c+3c-2b-3a= | | x+x+7.7=720.3 | | 0.6=-0.4x | | 5(2x-1)+3(4-9x)= | | 10a*4=71-9 | | 18p+15q+p-3q-4p= | | 29x-3=41-2x | | 5(4x+7)=-36+51 | | 57x+8=1.26 | | 6x-5-3x=4x-42 |