If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 7x + -168 = 0 Reorder the terms: -168 + 7x + x2 = 0 Solving -168 + 7x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '168' to each side of the equation. -168 + 7x + 168 + x2 = 0 + 168 Reorder the terms: -168 + 168 + 7x + x2 = 0 + 168 Combine like terms: -168 + 168 = 0 0 + 7x + x2 = 0 + 168 7x + x2 = 0 + 168 Combine like terms: 0 + 168 = 168 7x + x2 = 168 The x term is 7x. Take half its coefficient (3.5). Square it (12.25) and add it to both sides. Add '12.25' to each side of the equation. 7x + 12.25 + x2 = 168 + 12.25 Reorder the terms: 12.25 + 7x + x2 = 168 + 12.25 Combine like terms: 168 + 12.25 = 180.25 12.25 + 7x + x2 = 180.25 Factor a perfect square on the left side: (x + 3.5)(x + 3.5) = 180.25 Calculate the square root of the right side: 13.425721582 Break this problem into two subproblems by setting (x + 3.5) equal to 13.425721582 and -13.425721582.Subproblem 1
x + 3.5 = 13.425721582 Simplifying x + 3.5 = 13.425721582 Reorder the terms: 3.5 + x = 13.425721582 Solving 3.5 + x = 13.425721582 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + x = 13.425721582 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + x = 13.425721582 + -3.5 x = 13.425721582 + -3.5 Combine like terms: 13.425721582 + -3.5 = 9.925721582 x = 9.925721582 Simplifying x = 9.925721582Subproblem 2
x + 3.5 = -13.425721582 Simplifying x + 3.5 = -13.425721582 Reorder the terms: 3.5 + x = -13.425721582 Solving 3.5 + x = -13.425721582 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + x = -13.425721582 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + x = -13.425721582 + -3.5 x = -13.425721582 + -3.5 Combine like terms: -13.425721582 + -3.5 = -16.925721582 x = -16.925721582 Simplifying x = -16.925721582Solution
The solution to the problem is based on the solutions from the subproblems. x = {9.925721582, -16.925721582}
| -3[4-(3b+3)]=5-3(3b+7) | | 17615+500=74815 | | 3/4-12x^2 | | 1/4=a | | -6(-2)+2y=8 | | 3sinx=2-3cosx | | -(5x-6x+6)= | | (7+2x)*2+(x+3)*2+(5x-14)=50 | | 2w+3=4y+5 | | (2x+138)/2=56 | | 8x^3+8x^2-50x-50=0 | | (h+3)/2=(h-2)/4 | | 3(2/5+1/3)-2/5x3 | | 1b+3=2b-7 | | 3sinx+3cosx-2=0 | | 9+5(1t+1)+4t= | | (8)1/49= | | 10x+0y=-20 | | 3x+9-8x+6=6.6 | | 1/2(4x+4)=16 | | 0=8x^2+19x-525 | | 3sinx+3cosx=2 | | 3sinx-3cosx=2 | | 7(1t+9)+5+1t= | | 7-(8-6x)=2x-6 | | 8w+9=7w+6 | | 13x+2=-50 | | 13-(-20)= | | 2(y-9)+5=1 | | 2(x+1)=10+4 | | 10a^2+2a/2a | | 4(7+2y)=7-4(6-3y) |