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 + -38 = 0 Reorder the terms: -38 + 13x + x2 = 0 Solving -38 + 13x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '38' to each side of the equation. -38 + 13x + 38 + x2 = 0 + 38 Reorder the terms: -38 + 38 + 13x + x2 = 0 + 38 Combine like terms: -38 + 38 = 0 0 + 13x + x2 = 0 + 38 13x + x2 = 0 + 38 Combine like terms: 0 + 38 = 38 13x + x2 = 38 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 = 38 + 42.25 Reorder the terms: 42.25 + 13x + x2 = 38 + 42.25 Combine like terms: 38 + 42.25 = 80.25 42.25 + 13x + x2 = 80.25 Factor a perfect square on the left side: (x + 6.5)(x + 6.5) = 80.25 Calculate the square root of the right side: 8.958236434 Break this problem into two subproblems by setting (x + 6.5) equal to 8.958236434 and -8.958236434.Subproblem 1
x + 6.5 = 8.958236434 Simplifying x + 6.5 = 8.958236434 Reorder the terms: 6.5 + x = 8.958236434 Solving 6.5 + x = 8.958236434 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 = 8.958236434 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = 8.958236434 + -6.5 x = 8.958236434 + -6.5 Combine like terms: 8.958236434 + -6.5 = 2.458236434 x = 2.458236434 Simplifying x = 2.458236434Subproblem 2
x + 6.5 = -8.958236434 Simplifying x + 6.5 = -8.958236434 Reorder the terms: 6.5 + x = -8.958236434 Solving 6.5 + x = -8.958236434 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 = -8.958236434 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + x = -8.958236434 + -6.5 x = -8.958236434 + -6.5 Combine like terms: -8.958236434 + -6.5 = -15.458236434 x = -15.458236434 Simplifying x = -15.458236434Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.458236434, -15.458236434}
| 4xn+-3-27= | | c=1.2x+16 | | 2lnx-ln(x-1)=ln(x-2) | | 3/8=15/40 | | 4.72-0.2x=3.2(x+0.2) | | x^4+4x^3-8=0 | | X/3-×/9=2 | | z^4-6z^2+25=0 | | 15x=24y | | 3x-(5x+2)=4(x-2)-8x | | 20-(4x-5)=(x-3)-5 | | 8.2x-6.4=4.2x+5.6 | | 8-2(x-5)=4x+6 | | 2(x-6)=4x-14 | | 0=3x^2+5x-2 | | 9(b+4)=15x-10 | | 2s-3p+6+s+10p-3= | | tan(a)=-2 | | -3(6x-1)+9=-18x+12 | | 152-6-32+8= | | 3a-15=-27 | | 2a+3b+a-4b= | | f(x)=3ln*x-x^7 | | 9x+11-3x=11-12x-12 | | 5.3x+8=2.8x-12 | | f(x)=-x^3+9*x^2+x-1 | | 7y=-0.07 | | -16+x-3=17-15+9 | | 7x-9=4x+36 | | 2/6=?/9 | | f(x)=-x^3+9x^2+x-1 | | 4m+10n=43 |