If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 81x2 + 36x + -4 = 0 Reorder the terms: -4 + 36x + 81x2 = 0 Solving -4 + 36x + 81x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 81 the coefficient of the squared term: Divide each side by '81'. -0.04938271605 + 0.4444444444x + x2 = 0 Move the constant term to the right: Add '0.04938271605' to each side of the equation. -0.04938271605 + 0.4444444444x + 0.04938271605 + x2 = 0 + 0.04938271605 Reorder the terms: -0.04938271605 + 0.04938271605 + 0.4444444444x + x2 = 0 + 0.04938271605 Combine like terms: -0.04938271605 + 0.04938271605 = 0.00000000000 0.00000000000 + 0.4444444444x + x2 = 0 + 0.04938271605 0.4444444444x + x2 = 0 + 0.04938271605 Combine like terms: 0 + 0.04938271605 = 0.04938271605 0.4444444444x + x2 = 0.04938271605 The x term is 0.4444444444x. Take half its coefficient (0.2222222222). Square it (0.04938271604) and add it to both sides. Add '0.04938271604' to each side of the equation. 0.4444444444x + 0.04938271604 + x2 = 0.04938271605 + 0.04938271604 Reorder the terms: 0.04938271604 + 0.4444444444x + x2 = 0.04938271605 + 0.04938271604 Combine like terms: 0.04938271605 + 0.04938271604 = 0.09876543209 0.04938271604 + 0.4444444444x + x2 = 0.09876543209 Factor a perfect square on the left side: (x + 0.2222222222)(x + 0.2222222222) = 0.09876543209 Calculate the square root of the right side: 0.314269681 Break this problem into two subproblems by setting (x + 0.2222222222) equal to 0.314269681 and -0.314269681.Subproblem 1
x + 0.2222222222 = 0.314269681 Simplifying x + 0.2222222222 = 0.314269681 Reorder the terms: 0.2222222222 + x = 0.314269681 Solving 0.2222222222 + x = 0.314269681 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2222222222' to each side of the equation. 0.2222222222 + -0.2222222222 + x = 0.314269681 + -0.2222222222 Combine like terms: 0.2222222222 + -0.2222222222 = 0.0000000000 0.0000000000 + x = 0.314269681 + -0.2222222222 x = 0.314269681 + -0.2222222222 Combine like terms: 0.314269681 + -0.2222222222 = 0.0920474588 x = 0.0920474588 Simplifying x = 0.0920474588Subproblem 2
x + 0.2222222222 = -0.314269681 Simplifying x + 0.2222222222 = -0.314269681 Reorder the terms: 0.2222222222 + x = -0.314269681 Solving 0.2222222222 + x = -0.314269681 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2222222222' to each side of the equation. 0.2222222222 + -0.2222222222 + x = -0.314269681 + -0.2222222222 Combine like terms: 0.2222222222 + -0.2222222222 = 0.0000000000 0.0000000000 + x = -0.314269681 + -0.2222222222 x = -0.314269681 + -0.2222222222 Combine like terms: -0.314269681 + -0.2222222222 = -0.5364919032 x = -0.5364919032 Simplifying x = -0.5364919032Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.0920474588, -0.5364919032}
| y-9.4=8.37 | | 8x-(2-3)=9 | | 1+8m=7+8m | | (5x+3i)(2-i)=0 | | (5x+3i)(2-i)=I | | 4(2x-1)=8 | | 125x-45=345 | | 125x+45=345 | | 14-x+6+x=91 | | 4x-8x+12=2x+30 | | 7x-.5=11 | | 7+3x=x+19 | | -x+13+3x+13=-2 | | 7+3=x+19 | | 6m+6n-11-4m+3n= | | 25x-5x=0 | | -3x+25+5x+25=6 | | 4x^2-x-8=0 | | -9x+28x-20=0 | | 4(3m+4)=3(6m+8) | | 2+2x=54 | | 0.50x-0.30(50+x)=0.18(50) | | 9x-12x+4=0 | | 8p-5q-7+7q-2r+12= | | 8x+9=-6+7x | | 4x+9=-15 | | 14+3n=8n-e(n-4) | | -(p+8)=-6p+12 | | X^5+12x^4-3x^3-36x^2=0 | | n+16=-56 | | x-2341.36+2=0 | | 10(m+9+4n)= |