If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + 13x + -36 = 0 Reorder the terms: -36 + 13x + x2 = 0 Solving -36 + 13x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '36' to each side of the equation. -36 + 13x + 36 + x2 = 0 + 36 Reorder the terms: -36 + 36 + 13x + x2 = 0 + 36 Combine like terms: -36 + 36 = 0 0 + 13x + x2 = 0 + 36 13x + x2 = 0 + 36 Combine like terms: 0 + 36 = 36 13x + x2 = 36 The x term is 13x. Take half its coefficient (6.5). Square it (42.25) and add it to both sides. Add '42.25' to each side of the equation. 13x + 42.25 + x2 = 36 + 42.25 Reorder the terms: 42.25 + 13x + x2 = 36 + 42.25 Combine like terms: 36 + 42.25 = 78.25 42.25 + 13x + x2 = 78.25 Factor a perfect square on the left side: (x + 6.5)(x + 6.5) = 78.25 Calculate the square root of the right side: 8.845903006 Break this problem into two subproblems by setting (x + 6.5) equal to 8.845903006 and -8.845903006.Subproblem 1
x + 6.5 = 8.845903006 Simplifying x + 6.5 = 8.845903006 Reorder the terms: 6.5 + x = 8.845903006 Solving 6.5 + x = 8.845903006 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + x = 8.845903006 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = 8.845903006 + -6.5 x = 8.845903006 + -6.5 Combine like terms: 8.845903006 + -6.5 = 2.345903006 x = 2.345903006 Simplifying x = 2.345903006Subproblem 2
x + 6.5 = -8.845903006 Simplifying x + 6.5 = -8.845903006 Reorder the terms: 6.5 + x = -8.845903006 Solving 6.5 + x = -8.845903006 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6.5' to each side of the equation. 6.5 + -6.5 + x = -8.845903006 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = -8.845903006 + -6.5 x = -8.845903006 + -6.5 Combine like terms: -8.845903006 + -6.5 = -15.345903006 x = -15.345903006 Simplifying x = -15.345903006Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.345903006, -15.345903006}
| 4(x)-4(-8)=16 | | -35-3=14-10x | | 4(x)-4(0)=16 | | 4(0)-4(y)=16 | | 4a=10 | | y=-10(0)+3 | | 6b=21 | | 3z=6.9 | | 3(0)-5(9)=-6 | | 3(0)-5(9)= | | 42.897(43.87x+82.321)=48n | | 49-7x=2x+17 | | ln(x-2)lnx=0 | | n+11+8=2(n+8) | | -7y=-6x+42 | | -7=-6x+42 | | 4n+17=42 | | n+n+2+7(n+4)=68 | | 3x-10(x+2)=3-7x | | 5-9x=74-30x | | 2x+3=4-4x-7 | | 3x^2-47x-18=0 | | 186-5x=31x+18 | | 2(x+4)=9 | | 24+22y-14=0 | | 4x^2-17x+37=7x+2 | | 5x+5=-91-7 | | x^2-16x+37=-3x+1 | | x^2-5x-16=8 | | 134-6x=3x+8 | | -2(-3-x)=-(-3x)-1 | | 3(x-2)=2(3x+6) |