If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying X2 + -16X + -87 = 0 Reorder the terms: -87 + -16X + X2 = 0 Solving -87 + -16X + X2 = 0 Solving for variable 'X'. Begin completing the square. Move the constant term to the right: Add '87' to each side of the equation. -87 + -16X + 87 + X2 = 0 + 87 Reorder the terms: -87 + 87 + -16X + X2 = 0 + 87 Combine like terms: -87 + 87 = 0 0 + -16X + X2 = 0 + 87 -16X + X2 = 0 + 87 Combine like terms: 0 + 87 = 87 -16X + X2 = 87 The X term is -16X. Take half its coefficient (-8). Square it (64) and add it to both sides. Add '64' to each side of the equation. -16X + 64 + X2 = 87 + 64 Reorder the terms: 64 + -16X + X2 = 87 + 64 Combine like terms: 87 + 64 = 151 64 + -16X + X2 = 151 Factor a perfect square on the left side: (X + -8)(X + -8) = 151 Calculate the square root of the right side: 12.288205727 Break this problem into two subproblems by setting (X + -8) equal to 12.288205727 and -12.288205727.Subproblem 1
X + -8 = 12.288205727 Simplifying X + -8 = 12.288205727 Reorder the terms: -8 + X = 12.288205727 Solving -8 + X = 12.288205727 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + X = 12.288205727 + 8 Combine like terms: -8 + 8 = 0 0 + X = 12.288205727 + 8 X = 12.288205727 + 8 Combine like terms: 12.288205727 + 8 = 20.288205727 X = 20.288205727 Simplifying X = 20.288205727Subproblem 2
X + -8 = -12.288205727 Simplifying X + -8 = -12.288205727 Reorder the terms: -8 + X = -12.288205727 Solving -8 + X = -12.288205727 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + X = -12.288205727 + 8 Combine like terms: -8 + 8 = 0 0 + X = -12.288205727 + 8 X = -12.288205727 + 8 Combine like terms: -12.288205727 + 8 = -4.288205727 X = -4.288205727 Simplifying X = -4.288205727Solution
The solution to the problem is based on the solutions from the subproblems. X = {20.288205727, -4.288205727}
| 2x+7=-x+28 | | 2x-4(x-4)=-5+2x-7 | | -5+3y=5-2y | | 4u-16=7u-58 | | 2(2c+12)=68 | | 4b+2d-10-3d=17 | | -2x=-53 | | 4.7=2*3.14*r | | (5c+d)(8c-d)= | | -5(-4-2z)=11 | | a^2+b^2=3600 | | fx=27x-4.9x^2 | | 10(x+7)=-170 | | (m+6)(5m-2)=0 | | 6x-4(4-x)=13 | | 2x+5=-39-2x | | 11x+15y=38 | | -8/1.5 | | 2-(y-3)=2y-6 | | x^2+y^2+2x-10y+27=0 | | 60(m+4)=600 | | 25x-60=-15+16x | | 25-x=41 | | n^2+8n+19=0 | | -12+16=6+8x | | 7x-12y=96 | | Y-5/6=11/12 | | B^2+4b-8=0 | | 500x-45x^3=0 | | (40-5m)/(20-3x)=5/1 | | 20(2.5x^2)=35 | | H=-16t^2+60+2 |