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 + -20 = 16x + -3 Reorder the terms: -20 + 8x + x2 = 16x + -3 Reorder the terms: -20 + 8x + x2 = -3 + 16x Solving -20 + 8x + x2 = -3 + 16x Solving for variable 'x'. Reorder the terms: -20 + 3 + 8x + -16x + x2 = -3 + 16x + 3 + -16x Combine like terms: -20 + 3 = -17 -17 + 8x + -16x + x2 = -3 + 16x + 3 + -16x Combine like terms: 8x + -16x = -8x -17 + -8x + x2 = -3 + 16x + 3 + -16x Reorder the terms: -17 + -8x + x2 = -3 + 3 + 16x + -16x Combine like terms: -3 + 3 = 0 -17 + -8x + x2 = 0 + 16x + -16x -17 + -8x + x2 = 16x + -16x Combine like terms: 16x + -16x = 0 -17 + -8x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '17' to each side of the equation. -17 + -8x + 17 + x2 = 0 + 17 Reorder the terms: -17 + 17 + -8x + x2 = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -8x + x2 = 0 + 17 -8x + x2 = 0 + 17 Combine like terms: 0 + 17 = 17 -8x + x2 = 17 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 = 17 + 16 Reorder the terms: 16 + -8x + x2 = 17 + 16 Combine like terms: 17 + 16 = 33 16 + -8x + x2 = 33 Factor a perfect square on the left side: (x + -4)(x + -4) = 33 Calculate the square root of the right side: 5.744562647 Break this problem into two subproblems by setting (x + -4) equal to 5.744562647 and -5.744562647.Subproblem 1
x + -4 = 5.744562647 Simplifying x + -4 = 5.744562647 Reorder the terms: -4 + x = 5.744562647 Solving -4 + x = 5.744562647 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 = 5.744562647 + 4 Combine like terms: -4 + 4 = 0 0 + x = 5.744562647 + 4 x = 5.744562647 + 4 Combine like terms: 5.744562647 + 4 = 9.744562647 x = 9.744562647 Simplifying x = 9.744562647Subproblem 2
x + -4 = -5.744562647 Simplifying x + -4 = -5.744562647 Reorder the terms: -4 + x = -5.744562647 Solving -4 + x = -5.744562647 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 = -5.744562647 + 4 Combine like terms: -4 + 4 = 0 0 + x = -5.744562647 + 4 x = -5.744562647 + 4 Combine like terms: -5.744562647 + 4 = -1.744562647 x = -1.744562647 Simplifying x = -1.744562647Solution
The solution to the problem is based on the solutions from the subproblems. x = {9.744562647, -1.744562647}
| 4b-2b-b-1=9 | | -7u+6u=15 | | 3lx-2l+1=1 | | -9d=18 | | 14y-9=15 | | -3n+-14=-3n+-30 | | -2r+-1=-11 | | (6+v)(5v+9)=0 | | -13x+9y=-6 | | 8m-3-9m-m=5-12 | | N+n-6=30 | | 5x-18+4x+7= | | 12r^3-5r^2-2r=0 | | -52=-4s | | 14-(6+m)=22 | | 2p-p-1=17 | | 2d+-4=-4+3d | | 8x-11+2x+6=180 | | 6x+20=50 | | 10=2(p-7)+6 | | 7m-(3+m)+8-4m=9 | | factoringx^2+2x=0 | | 8m+5(1-m)-4m=-6 | | 4.6=a-3 | | 10r=20 | | 3m-5-4m-m=7-8 | | 13a+-17a+-4a=8 | | m-(8-m)=32 | | 8x-11+2x+6+5x=180 | | 8x+-7=2(2x+7)+-5 | | 15=3(w-11) | | -7m-(m+4)-3(7-m)=0 |