If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 4x2 + 21x + -18 = -8x + 9 Reorder the terms: -18 + 21x + 4x2 = -8x + 9 Reorder the terms: -18 + 21x + 4x2 = 9 + -8x Solving -18 + 21x + 4x2 = 9 + -8x Solving for variable 'x'. Reorder the terms: -18 + -9 + 21x + 8x + 4x2 = 9 + -8x + -9 + 8x Combine like terms: -18 + -9 = -27 -27 + 21x + 8x + 4x2 = 9 + -8x + -9 + 8x Combine like terms: 21x + 8x = 29x -27 + 29x + 4x2 = 9 + -8x + -9 + 8x Reorder the terms: -27 + 29x + 4x2 = 9 + -9 + -8x + 8x Combine like terms: 9 + -9 = 0 -27 + 29x + 4x2 = 0 + -8x + 8x -27 + 29x + 4x2 = -8x + 8x Combine like terms: -8x + 8x = 0 -27 + 29x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -6.75 + 7.25x + x2 = 0 Move the constant term to the right: Add '6.75' to each side of the equation. -6.75 + 7.25x + 6.75 + x2 = 0 + 6.75 Reorder the terms: -6.75 + 6.75 + 7.25x + x2 = 0 + 6.75 Combine like terms: -6.75 + 6.75 = 0.00 0.00 + 7.25x + x2 = 0 + 6.75 7.25x + x2 = 0 + 6.75 Combine like terms: 0 + 6.75 = 6.75 7.25x + x2 = 6.75 The x term is 7.25x. Take half its coefficient (3.625). Square it (13.140625) and add it to both sides. Add '13.140625' to each side of the equation. 7.25x + 13.140625 + x2 = 6.75 + 13.140625 Reorder the terms: 13.140625 + 7.25x + x2 = 6.75 + 13.140625 Combine like terms: 6.75 + 13.140625 = 19.890625 13.140625 + 7.25x + x2 = 19.890625 Factor a perfect square on the left side: (x + 3.625)(x + 3.625) = 19.890625 Calculate the square root of the right side: 4.459890694 Break this problem into two subproblems by setting (x + 3.625) equal to 4.459890694 and -4.459890694.Subproblem 1
x + 3.625 = 4.459890694 Simplifying x + 3.625 = 4.459890694 Reorder the terms: 3.625 + x = 4.459890694 Solving 3.625 + x = 4.459890694 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.625' to each side of the equation. 3.625 + -3.625 + x = 4.459890694 + -3.625 Combine like terms: 3.625 + -3.625 = 0.000 0.000 + x = 4.459890694 + -3.625 x = 4.459890694 + -3.625 Combine like terms: 4.459890694 + -3.625 = 0.834890694 x = 0.834890694 Simplifying x = 0.834890694Subproblem 2
x + 3.625 = -4.459890694 Simplifying x + 3.625 = -4.459890694 Reorder the terms: 3.625 + x = -4.459890694 Solving 3.625 + x = -4.459890694 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.625' to each side of the equation. 3.625 + -3.625 + x = -4.459890694 + -3.625 Combine like terms: 3.625 + -3.625 = 0.000 0.000 + x = -4.459890694 + -3.625 x = -4.459890694 + -3.625 Combine like terms: -4.459890694 + -3.625 = -8.084890694 x = -8.084890694 Simplifying x = -8.084890694Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.834890694, -8.084890694}
| 22n+5=-26 | | 7c-2b=-2 | | 7x-4(-3x+17)=27 | | 375-75x=675 | | 3x-2(x-8)=2x+9 | | 7x+-11x=36 | | 5x^6-160x=0 | | 10x^2-90x-100=0 | | 5x-5-x=-7+x-2 | | 7u=49 | | 3x^2+18x-48=0 | | 3x+5x-x= | | 2(x+9)=3(2x-6) | | 2.7x+3=8.4 | | x^2+11y-2488=0 | | 2b-4b= | | 3x+2(3+2x)=13 | | 5/3x-5/4=-7 | | 4x^2-36x-88=0 | | -7(6-8k)= | | X^2+400=40x | | 3-6z-7= | | 6(x+5)=-8x+2 | | 3x^2-42x+72=0 | | 8x=36x^2 | | 7(-3+9)-2r= | | x-(4+5x)=2x+2 | | 3=x-6/2 | | 28v^7-8v^5/4v^3 | | 2x-7(-x+4)=35 | | 12x^2+24x+2=0 | | 1/w+4=7 |