If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -8x + -56 = 0 Reorder the terms: -56 + -8x + x2 = 0 Solving -56 + -8x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '56' to each side of the equation. -56 + -8x + 56 + x2 = 0 + 56 Reorder the terms: -56 + 56 + -8x + x2 = 0 + 56 Combine like terms: -56 + 56 = 0 0 + -8x + x2 = 0 + 56 -8x + x2 = 0 + 56 Combine like terms: 0 + 56 = 56 -8x + x2 = 56 The x term is -8x. Take half its coefficient (-4). Square it (16) and add it to both sides. Add '16' to each side of the equation. -8x + 16 + x2 = 56 + 16 Reorder the terms: 16 + -8x + x2 = 56 + 16 Combine like terms: 56 + 16 = 72 16 + -8x + x2 = 72 Factor a perfect square on the left side: (x + -4)(x + -4) = 72 Calculate the square root of the right side: 8.485281374 Break this problem into two subproblems by setting (x + -4) equal to 8.485281374 and -8.485281374.Subproblem 1
x + -4 = 8.485281374 Simplifying x + -4 = 8.485281374 Reorder the terms: -4 + x = 8.485281374 Solving -4 + x = 8.485281374 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 8.485281374 + 4 Combine like terms: -4 + 4 = 0 0 + x = 8.485281374 + 4 x = 8.485281374 + 4 Combine like terms: 8.485281374 + 4 = 12.485281374 x = 12.485281374 Simplifying x = 12.485281374Subproblem 2
x + -4 = -8.485281374 Simplifying x + -4 = -8.485281374 Reorder the terms: -4 + x = -8.485281374 Solving -4 + x = -8.485281374 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -8.485281374 + 4 Combine like terms: -4 + 4 = 0 0 + x = -8.485281374 + 4 x = -8.485281374 + 4 Combine like terms: -8.485281374 + 4 = -4.485281374 x = -4.485281374 Simplifying x = -4.485281374Solution
The solution to the problem is based on the solutions from the subproblems. x = {12.485281374, -4.485281374}
| -6r+12-8t=-2 | | x^2+18x+16=0 | | 3(4-x)-x=-13 | | x^2-11x-4=0 | | 4x^3-9X^2-9x= | | 4p^2-11p-3= | | 91z+30z^2-30= | | 5x^2-3x=-4 | | 1*3+2*6= | | 22x^2-37xy+13y^2= | | 12x^2+85x+7= | | 2(4x-3)+x=3(2x-1)+2 | | 55r^2+14r-24= | | 3(2x+5)+5x=24 | | 3x-(x+1)=17 | | .48= | | 15y^2-29y+14= | | 3[6x-5(y-1)]= | | 3(2x-8)-2(x+9)= | | 3y=7(7y-4) | | 4[3x-4(7x+y)]= | | 266x+905y=173.54 | | 110(t)=-16t^2+110 | | -7m+33-2(m-1)=8m-(4m-3)-5m+8 | | 7x+12=x+30 | | y=-4.5+4x | | y=4x-4.5 | | 9x^4=7x^3-6-9x^2+7 | | (1+x)=1.016*1.02*1.075 | | 56w^2-19w=15 | | -[4z-(13z+10)]=10+(8z+0) | | 6x+13=-41 |