If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + 5x + -9 = 0 Reorder the terms: -9 + 5x + 3x2 = 0 Solving -9 + 5x + 3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -3 + 1.666666667x + x2 = 0 Move the constant term to the right: Add '3' to each side of the equation. -3 + 1.666666667x + 3 + x2 = 0 + 3 Reorder the terms: -3 + 3 + 1.666666667x + x2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 1.666666667x + x2 = 0 + 3 1.666666667x + x2 = 0 + 3 Combine like terms: 0 + 3 = 3 1.666666667x + x2 = 3 The x term is 1.666666667x. Take half its coefficient (0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. 1.666666667x + 0.6944444447 + x2 = 3 + 0.6944444447 Reorder the terms: 0.6944444447 + 1.666666667x + x2 = 3 + 0.6944444447 Combine like terms: 3 + 0.6944444447 = 3.6944444447 0.6944444447 + 1.666666667x + x2 = 3.6944444447 Factor a perfect square on the left side: (x + 0.8333333335)(x + 0.8333333335) = 3.6944444447 Calculate the square root of the right side: 1.922093766 Break this problem into two subproblems by setting (x + 0.8333333335) equal to 1.922093766 and -1.922093766.Subproblem 1
x + 0.8333333335 = 1.922093766 Simplifying x + 0.8333333335 = 1.922093766 Reorder the terms: 0.8333333335 + x = 1.922093766 Solving 0.8333333335 + x = 1.922093766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = 1.922093766 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = 1.922093766 + -0.8333333335 x = 1.922093766 + -0.8333333335 Combine like terms: 1.922093766 + -0.8333333335 = 1.0887604325 x = 1.0887604325 Simplifying x = 1.0887604325Subproblem 2
x + 0.8333333335 = -1.922093766 Simplifying x + 0.8333333335 = -1.922093766 Reorder the terms: 0.8333333335 + x = -1.922093766 Solving 0.8333333335 + x = -1.922093766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = -1.922093766 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = -1.922093766 + -0.8333333335 x = -1.922093766 + -0.8333333335 Combine like terms: -1.922093766 + -0.8333333335 = -2.7554270995 x = -2.7554270995 Simplifying x = -2.7554270995Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.0887604325, -2.7554270995}
| 2x+5+3x=20 | | -36=x+18.4x | | x^2-4x-2=0 | | x^2+5x-2=0 | | 161-6x=4x+11 | | 8(h-1)=3h+4+2h | | x(x+8)=153 | | 90-5x=10x+15 | | -5x-13=-17 | | 4m-9=-9 | | 2x+3y-8x=2y-7x | | y+(-96)=-96 | | 3x+10=-23-8x | | h=-5t^2+5t+30 | | x^3-x^2-12x+26=0 | | 2b-8b+29=5 | | 8+t=41 | | X^2+4*x*y=0 | | -2z+3+7z=-12 | | 5g-1=2g+-4 | | 2x^2+14x=3 | | 5x^2-35x+20=0 | | 14t+t+10=100 | | 24oz= | | 4x^2+8x-36=0 | | x^2-3x=9 | | 2x-22y=20 | | 4x-1=0 | | 18*x^2+9*y^2-12*x-7=0 | | x^2+14x-8=0 | | 3s-5+2s+25=170 | | 4x^2-19x+33=5x+6 |