If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x2 + 18x = -4 Reorder the terms: 18x + 9x2 = -4 Solving 18x + 9x2 = -4 Solving for variable 'x'. Reorder the terms: 4 + 18x + 9x2 = -4 + 4 Combine like terms: -4 + 4 = 0 4 + 18x + 9x2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 0.4444444444 + 2x + x2 = 0 Move the constant term to the right: Add '-0.4444444444' to each side of the equation. 0.4444444444 + 2x + -0.4444444444 + x2 = 0 + -0.4444444444 Reorder the terms: 0.4444444444 + -0.4444444444 + 2x + x2 = 0 + -0.4444444444 Combine like terms: 0.4444444444 + -0.4444444444 = 0.0000000000 0.0000000000 + 2x + x2 = 0 + -0.4444444444 2x + x2 = 0 + -0.4444444444 Combine like terms: 0 + -0.4444444444 = -0.4444444444 2x + x2 = -0.4444444444 The x term is 2x. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2x + 1 + x2 = -0.4444444444 + 1 Reorder the terms: 1 + 2x + x2 = -0.4444444444 + 1 Combine like terms: -0.4444444444 + 1 = 0.5555555556 1 + 2x + x2 = 0.5555555556 Factor a perfect square on the left side: (x + 1)(x + 1) = 0.5555555556 Calculate the square root of the right side: 0.745355993 Break this problem into two subproblems by setting (x + 1) equal to 0.745355993 and -0.745355993.Subproblem 1
x + 1 = 0.745355993 Simplifying x + 1 = 0.745355993 Reorder the terms: 1 + x = 0.745355993 Solving 1 + x = 0.745355993 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0.745355993 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0.745355993 + -1 x = 0.745355993 + -1 Combine like terms: 0.745355993 + -1 = -0.254644007 x = -0.254644007 Simplifying x = -0.254644007Subproblem 2
x + 1 = -0.745355993 Simplifying x + 1 = -0.745355993 Reorder the terms: 1 + x = -0.745355993 Solving 1 + x = -0.745355993 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -0.745355993 + -1 Combine like terms: 1 + -1 = 0 0 + x = -0.745355993 + -1 x = -0.745355993 + -1 Combine like terms: -0.745355993 + -1 = -1.745355993 x = -1.745355993 Simplifying x = -1.745355993Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.254644007, -1.745355993}
| 4(2+3y)+6=38 | | 8(2x+6)=128 | | 2.5n+7=12 | | -4n+n-9=5n+9 | | 2y-z=-2 | | 8x+4=-12x+8+3x | | 24=2c-16 | | -7-6-15h=-17h+19 | | -15+11c=13c+17 | | -3b-6=-4b | | X-(5x+2)=3(x-4) | | M-4/-3=5 | | 8+2g=-6g | | -75=-5+35x | | 2a=4-2a | | -10+4v+5=8v+7 | | 5(8x+3)=-265 | | 4x-7+6x-19=54 | | 10k-9k=5 | | -2+7q=9q-8 | | -7x-4(x+12)=73 | | 8s-6s=10 | | 10+9+s=2s-5 | | 5+6d=3d-10 | | -13+7y=3+5y | | 3(x+5)=48 | | -6p=-7p-6 | | 134/100 | | 4=6-k | | 50g+75v=157500 | | -4(a+8)= | | 5+5t=6t+10 |