If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -10x + -80 = 0 Reorder the terms: -80 + -10x + x2 = 0 Solving -80 + -10x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '80' to each side of the equation. -80 + -10x + 80 + x2 = 0 + 80 Reorder the terms: -80 + 80 + -10x + x2 = 0 + 80 Combine like terms: -80 + 80 = 0 0 + -10x + x2 = 0 + 80 -10x + x2 = 0 + 80 Combine like terms: 0 + 80 = 80 -10x + x2 = 80 The x term is -10x. Take half its coefficient (-5). Square it (25) and add it to both sides. Add '25' to each side of the equation. -10x + 25 + x2 = 80 + 25 Reorder the terms: 25 + -10x + x2 = 80 + 25 Combine like terms: 80 + 25 = 105 25 + -10x + x2 = 105 Factor a perfect square on the left side: (x + -5)(x + -5) = 105 Calculate the square root of the right side: 10.246950766 Break this problem into two subproblems by setting (x + -5) equal to 10.246950766 and -10.246950766.Subproblem 1
x + -5 = 10.246950766 Simplifying x + -5 = 10.246950766 Reorder the terms: -5 + x = 10.246950766 Solving -5 + x = 10.246950766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 10.246950766 + 5 Combine like terms: -5 + 5 = 0 0 + x = 10.246950766 + 5 x = 10.246950766 + 5 Combine like terms: 10.246950766 + 5 = 15.246950766 x = 15.246950766 Simplifying x = 15.246950766Subproblem 2
x + -5 = -10.246950766 Simplifying x + -5 = -10.246950766 Reorder the terms: -5 + x = -10.246950766 Solving -5 + x = -10.246950766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -10.246950766 + 5 Combine like terms: -5 + 5 = 0 0 + x = -10.246950766 + 5 x = -10.246950766 + 5 Combine like terms: -10.246950766 + 5 = -5.246950766 x = -5.246950766 Simplifying x = -5.246950766Solution
The solution to the problem is based on the solutions from the subproblems. x = {15.246950766, -5.246950766}
| 15-11s=15s-11 | | 1/2-7=-11 | | 92=4+6(-3-6)+4 | | 10c/7/2 | | -16h+12=-15h | | 3a-1=2a+3 | | 3X+(2X-3)=32 | | 92=4+6(-3-6) | | 0=x^2-x-174 | | -10+3x=-7+30 | | 7k^4(-2k^6-k)=0 | | 3.8+12.4q=5.6q+18.36-3.62 | | 21+4=30 | | 92=4+6-3 | | 4x-8=5+3x | | (3/a)/(7/a^2) | | 4x-3(4-4x)=-2 | | 60/9.5 | | 5x(-16-9)=-125 | | -16t^2+9t-8=0 | | 5/z^-3 | | X^3+3x^2+2x=-504 | | 5(-20p+18)+7p=-9(10p-15) | | -11n+1=-10n-15 | | 2m-2=m | | 1.5y+x=24 | | X^2-9x+18=-2 | | 5(-64y)= | | 9n^2-3n=3n | | -2(-1)-5y=7 | | 5x^4-17x^3+21x^2+29x-14=0 | | -2(-1)-5=7 |