If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 2x + -218 = 0 Reorder the terms: -218 + 2x + x2 = 0 Solving -218 + 2x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '218' to each side of the equation. -218 + 2x + 218 + x2 = 0 + 218 Reorder the terms: -218 + 218 + 2x + x2 = 0 + 218 Combine like terms: -218 + 218 = 0 0 + 2x + x2 = 0 + 218 2x + x2 = 0 + 218 Combine like terms: 0 + 218 = 218 2x + x2 = 218 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = 218 + 1 Reorder the terms: 1 + 2x + x2 = 218 + 1 Combine like terms: 218 + 1 = 219 1 + 2x + x2 = 219 Factor a perfect square on the left side: (x + 1)(x + 1) = 219 Calculate the square root of the right side: 14.798648587 Break this problem into two subproblems by setting (x + 1) equal to 14.798648587 and -14.798648587.Subproblem 1
x + 1 = 14.798648587 Simplifying x + 1 = 14.798648587 Reorder the terms: 1 + x = 14.798648587 Solving 1 + x = 14.798648587 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 14.798648587 + -1 Combine like terms: 1 + -1 = 0 0 + x = 14.798648587 + -1 x = 14.798648587 + -1 Combine like terms: 14.798648587 + -1 = 13.798648587 x = 13.798648587 Simplifying x = 13.798648587Subproblem 2
x + 1 = -14.798648587 Simplifying x + 1 = -14.798648587 Reorder the terms: 1 + x = -14.798648587 Solving 1 + x = -14.798648587 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -14.798648587 + -1 Combine like terms: 1 + -1 = 0 0 + x = -14.798648587 + -1 x = -14.798648587 + -1 Combine like terms: -14.798648587 + -1 = -15.798648587 x = -15.798648587 Simplifying x = -15.798648587Solution
The solution to the problem is based on the solutions from the subproblems. x = {13.798648587, -15.798648587}
| 0.5(4x*x)=26 | | 3x-2+5=-11 | | -4n+4=-5n | | -108=-9(2+n) | | 136-7x=29x+16 | | x^2+2x-49=169 | | 2456789= | | x^2+2x-49=139 | | 3x-2+5=11 | | 0.40x+.05(8-x)=.10(-38) | | 1800+500x=33000-750x | | x+2(5-x)=17 | | 10-3x=7x | | 6(2x-5)=-7(x+7) | | 4x+4=20+2-2 | | 3+2x/x-5=4x/2x-1 | | 1800+500y=33000-750y | | x(x-2)=143 | | 5/8=2/5+b | | x^2-5x=-12 | | 7x+2=33 | | 6(x+4)=42 | | 9x-24=3x | | 5x^3-2x^2+30x-12=0 | | x^2-5-2x^2=0 | | a^3-1=0 | | 2(3x+1)=5x-3(x+2) | | 5(x-5)+9=3(x-4) | | 9+0.50x=0 | | (7a+1)(6a^2+8a+6)= | | 16+2x=0 | | y=16+2x |