If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -40x + -9 = 0 Reorder the terms: -9 + -40x + x2 = 0 Solving -9 + -40x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '9' to each side of the equation. -9 + -40x + 9 + x2 = 0 + 9 Reorder the terms: -9 + 9 + -40x + x2 = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -40x + x2 = 0 + 9 -40x + x2 = 0 + 9 Combine like terms: 0 + 9 = 9 -40x + x2 = 9 The x term is -40x. Take half its coefficient (-20). Square it (400) and add it to both sides. Add '400' to each side of the equation. -40x + 400 + x2 = 9 + 400 Reorder the terms: 400 + -40x + x2 = 9 + 400 Combine like terms: 9 + 400 = 409 400 + -40x + x2 = 409 Factor a perfect square on the left side: (x + -20)(x + -20) = 409 Calculate the square root of the right side: 20.223748416 Break this problem into two subproblems by setting (x + -20) equal to 20.223748416 and -20.223748416.Subproblem 1
x + -20 = 20.223748416 Simplifying x + -20 = 20.223748416 Reorder the terms: -20 + x = 20.223748416 Solving -20 + x = 20.223748416 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + x = 20.223748416 + 20 Combine like terms: -20 + 20 = 0 0 + x = 20.223748416 + 20 x = 20.223748416 + 20 Combine like terms: 20.223748416 + 20 = 40.223748416 x = 40.223748416 Simplifying x = 40.223748416Subproblem 2
x + -20 = -20.223748416 Simplifying x + -20 = -20.223748416 Reorder the terms: -20 + x = -20.223748416 Solving -20 + x = -20.223748416 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + x = -20.223748416 + 20 Combine like terms: -20 + 20 = 0 0 + x = -20.223748416 + 20 x = -20.223748416 + 20 Combine like terms: -20.223748416 + 20 = -0.223748416 x = -0.223748416 Simplifying x = -0.223748416Solution
The solution to the problem is based on the solutions from the subproblems. x = {40.223748416, -0.223748416}
| x+y=10c | | -8e+28=-4 | | 3(z-5)=-9 | | (x-2)*(x+2)*x=32x | | y-(12)=10 | | 4(x+12)=-40 | | -4(x-15)=40 | | (x-2)*(x+2)=32 | | 4x-5+7x+6=222 | | 6c=8c-30 | | 13m+26m^2-39m^3=0 | | 5-(f+3)=-1+2(t+3) | | f*x=14-0.5x | | 2m+20=115 | | 6z-9=7z-7 | | 85=(12+1) | | 6=x/2/3 | | 6(a-3)=18+6a | | 8s-3=61 | | 8s-3=621 | | 7(z+4)=6(z-2)+z | | 4x+7=-6-11x-2x | | 5x-5-3x+12=11 | | 3u=u+28 | | -8+x+(4+5n)= | | t+9=3t-25 | | t+9=3-25 | | s/8=p | | x^2-70x+600=0 | | 15b-28=b+14 | | -6-(-5+4i)-(-13-i)= | | 5x-3=11x+9 |