If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + 2x + -3 = 9 Reorder the terms: -3 + 2x + 3x2 = 9 Solving -3 + 2x + 3x2 = 9 Solving for variable 'x'. Reorder the terms: -3 + -9 + 2x + 3x2 = 9 + -9 Combine like terms: -3 + -9 = -12 -12 + 2x + 3x2 = 9 + -9 Combine like terms: 9 + -9 = 0 -12 + 2x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -4 + 0.6666666667x + x2 = 0 Move the constant term to the right: Add '4' to each side of the equation. -4 + 0.6666666667x + 4 + x2 = 0 + 4 Reorder the terms: -4 + 4 + 0.6666666667x + x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 0.6666666667x + x2 = 0 + 4 0.6666666667x + x2 = 0 + 4 Combine like terms: 0 + 4 = 4 0.6666666667x + x2 = 4 The x term is 0.6666666667x. Take half its coefficient (0.3333333334). Square it (0.1111111112) and add it to both sides. Add '0.1111111112' to each side of the equation. 0.6666666667x + 0.1111111112 + x2 = 4 + 0.1111111112 Reorder the terms: 0.1111111112 + 0.6666666667x + x2 = 4 + 0.1111111112 Combine like terms: 4 + 0.1111111112 = 4.1111111112 0.1111111112 + 0.6666666667x + x2 = 4.1111111112 Factor a perfect square on the left side: (x + 0.3333333334)(x + 0.3333333334) = 4.1111111112 Calculate the square root of the right side: 2.02758751 Break this problem into two subproblems by setting (x + 0.3333333334) equal to 2.02758751 and -2.02758751.Subproblem 1
x + 0.3333333334 = 2.02758751 Simplifying x + 0.3333333334 = 2.02758751 Reorder the terms: 0.3333333334 + x = 2.02758751 Solving 0.3333333334 + x = 2.02758751 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + x = 2.02758751 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + x = 2.02758751 + -0.3333333334 x = 2.02758751 + -0.3333333334 Combine like terms: 2.02758751 + -0.3333333334 = 1.6942541766 x = 1.6942541766 Simplifying x = 1.6942541766Subproblem 2
x + 0.3333333334 = -2.02758751 Simplifying x + 0.3333333334 = -2.02758751 Reorder the terms: 0.3333333334 + x = -2.02758751 Solving 0.3333333334 + x = -2.02758751 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3333333334' to each side of the equation. 0.3333333334 + -0.3333333334 + x = -2.02758751 + -0.3333333334 Combine like terms: 0.3333333334 + -0.3333333334 = 0.0000000000 0.0000000000 + x = -2.02758751 + -0.3333333334 x = -2.02758751 + -0.3333333334 Combine like terms: -2.02758751 + -0.3333333334 = -2.3609208434 x = -2.3609208434 Simplifying x = -2.3609208434Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.6942541766, -2.3609208434}
| 1.2r=9.5 | | 10x+5y=15x+4y | | 2(2a+c)=22 | | (3x+12)-(5x-6)=0 | | 4w+10(21.2+-0.4w)=212 | | -13=n-(-13) | | (x+4)-2(4-3x)=4(x+3)-1 | | 5p-17=2(2p-11) | | 6x-4x+x-8+6-4=0 | | 5*log(x)=12 | | -37=r-12 | | 5log(x)=12 | | 6x-4+x-8+6-4=0 | | 4x-(x+1)=-4+5(x-5) | | 4w+10c=212 | | 1.2x+14.8=3.3x-2 | | 9x+49=1199 | | -x-88=7x+104 | | 88=P(88+54+49) | | 3(a+4)=30 | | -5x+3=-3-2x | | 0.9(x+4)+1.9(x-3)= | | -50-7x=-10x+28 | | x+87+125+63+169=540 | | 7x+4=10+6x | | (x+1)(x)=42 | | 3(x+5)=145 | | 9(w+1)=7*7 | | 18+16(-12w-14)= | | -10x+2=-9-9x | | -1x-4y= | | 7x-31=-x+73 |