If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x2 + 8x + -27 = 0 Reorder the terms: -27 + 8x + 9x2 = 0 Solving -27 + 8x + 9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -3 + 0.8888888889x + x2 = 0 Move the constant term to the right: Add '3' to each side of the equation. -3 + 0.8888888889x + 3 + x2 = 0 + 3 Reorder the terms: -3 + 3 + 0.8888888889x + x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 0.8888888889x + x2 = 0 + 3 0.8888888889x + x2 = 0 + 3 Combine like terms: 0 + 3 = 3 0.8888888889x + x2 = 3 The x term is 0.8888888889x. Take half its coefficient (0.4444444445). Square it (0.1975308642) and add it to both sides. Add '0.1975308642' to each side of the equation. 0.8888888889x + 0.1975308642 + x2 = 3 + 0.1975308642 Reorder the terms: 0.1975308642 + 0.8888888889x + x2 = 3 + 0.1975308642 Combine like terms: 3 + 0.1975308642 = 3.1975308642 0.1975308642 + 0.8888888889x + x2 = 3.1975308642 Factor a perfect square on the left side: (x + 0.4444444445)(x + 0.4444444445) = 3.1975308642 Calculate the square root of the right side: 1.788164104 Break this problem into two subproblems by setting (x + 0.4444444445) equal to 1.788164104 and -1.788164104.Subproblem 1
x + 0.4444444445 = 1.788164104 Simplifying x + 0.4444444445 = 1.788164104 Reorder the terms: 0.4444444445 + x = 1.788164104 Solving 0.4444444445 + x = 1.788164104 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4444444445' to each side of the equation. 0.4444444445 + -0.4444444445 + x = 1.788164104 + -0.4444444445 Combine like terms: 0.4444444445 + -0.4444444445 = 0.0000000000 0.0000000000 + x = 1.788164104 + -0.4444444445 x = 1.788164104 + -0.4444444445 Combine like terms: 1.788164104 + -0.4444444445 = 1.3437196595 x = 1.3437196595 Simplifying x = 1.3437196595Subproblem 2
x + 0.4444444445 = -1.788164104 Simplifying x + 0.4444444445 = -1.788164104 Reorder the terms: 0.4444444445 + x = -1.788164104 Solving 0.4444444445 + x = -1.788164104 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4444444445' to each side of the equation. 0.4444444445 + -0.4444444445 + x = -1.788164104 + -0.4444444445 Combine like terms: 0.4444444445 + -0.4444444445 = 0.0000000000 0.0000000000 + x = -1.788164104 + -0.4444444445 x = -1.788164104 + -0.4444444445 Combine like terms: -1.788164104 + -0.4444444445 = -2.2326085485 x = -2.2326085485 Simplifying x = -2.2326085485Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.3437196595, -2.2326085485}
| -9-4x=-11 | | t+19=82 | | Tan^2x-tanx=0.2 | | 4x^2+12x+36y+225=0 | | -5=5/3x-3+100 | | 4y=-24-3x | | -3s^2+7=-53 | | 8x+72+2x+126=y | | y=14.4-4x | | (x^2)/((0.1-2x)^2) | | 2.7x-17=1.7x+3 | | y+(3+5)=10 | | 5g^2=200 | | 1.75=-log(x) | | 7(d-2)=72 | | R^2+2=38 | | Ln(8x+7)=6 | | 7+m=214 | | 4x/3-1/7=0 | | Ln(8+7)=6 | | Z^2+5=149 | | 9x+6.03=6x+12 | | 4x/3-1/7= | | k+19=19 | | 1053.2033x^3+315.9244x^2-10500=0 | | 7x+9=5(x+5) | | (-21x^2)+(2x)+3=0 | | -11+x=-20 | | p+29=33 | | 4x^2=20x-36 | | 5-x/3=0.0052 | | 4*(-3)*(-5)*(-8)= |