If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 12x + -2988 = 0 Reorder the terms: -2988 + 12x + x2 = 0 Solving -2988 + 12x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '2988' to each side of the equation. -2988 + 12x + 2988 + x2 = 0 + 2988 Reorder the terms: -2988 + 2988 + 12x + x2 = 0 + 2988 Combine like terms: -2988 + 2988 = 0 0 + 12x + x2 = 0 + 2988 12x + x2 = 0 + 2988 Combine like terms: 0 + 2988 = 2988 12x + x2 = 2988 The x term is 12x. Take half its coefficient (6). Square it (36) and add it to both sides. Add '36' to each side of the equation. 12x + 36 + x2 = 2988 + 36 Reorder the terms: 36 + 12x + x2 = 2988 + 36 Combine like terms: 2988 + 36 = 3024 36 + 12x + x2 = 3024 Factor a perfect square on the left side: (x + 6)(x + 6) = 3024 Calculate the square root of the right side: 54.990908339 Break this problem into two subproblems by setting (x + 6) equal to 54.990908339 and -54.990908339.Subproblem 1
x + 6 = 54.990908339 Simplifying x + 6 = 54.990908339 Reorder the terms: 6 + x = 54.990908339 Solving 6 + x = 54.990908339 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 54.990908339 + -6 Combine like terms: 6 + -6 = 0 0 + x = 54.990908339 + -6 x = 54.990908339 + -6 Combine like terms: 54.990908339 + -6 = 48.990908339 x = 48.990908339 Simplifying x = 48.990908339Subproblem 2
x + 6 = -54.990908339 Simplifying x + 6 = -54.990908339 Reorder the terms: 6 + x = -54.990908339 Solving 6 + x = -54.990908339 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = -54.990908339 + -6 Combine like terms: 6 + -6 = 0 0 + x = -54.990908339 + -6 x = -54.990908339 + -6 Combine like terms: -54.990908339 + -6 = -60.990908339 x = -60.990908339 Simplifying x = -60.990908339Solution
The solution to the problem is based on the solutions from the subproblems. x = {48.990908339, -60.990908339}
| x^3-16*x^2+82*x-128= | | 3+4[3x+7]=-89 | | 8-2(a+1)=3a+1 | | f(x)=0.25x^2-4 | | -x+x+1=3 | | 6.5=-3+m | | 4sin(5x)=3 | | x^2+12x+4.5=0 | | 5n+2=5n-1 | | 4[6-2a]+8=24 | | (x+1)2+(x-1)2=7x+4 | | 180-2x=3x | | 16=3*x^6+3*x^5+8*x^3+3*x^2+3*x | | 2[10b+7]-1=73 | | 2b=9-b | | -2[2+11x]=-24 | | 7e=9(e+4) | | 18x-2+12x+2=180 | | u+13=11 | | 11+2d=26+6+d | | 5(x-2)+x=6(x+3)+4x | | 1x-10=119 | | 3x+10y=-20 | | .3(a+11)+.7a=7.3 | | 12x-27=28 | | 9[r-2]-10=26 | | -4[11+4x]=-20 | | 12x-18=28 | | 12x-9=28 | | 4*x^2+2*x-16=0 | | -3(c+5)=-21 | | 5+25x=30 |