If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + 4x = 18 Reorder the terms: 4x + 3x2 = 18 Solving 4x + 3x2 = 18 Solving for variable 'x'. Reorder the terms: -18 + 4x + 3x2 = 18 + -18 Combine like terms: 18 + -18 = 0 -18 + 4x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -6 + 1.333333333x + x2 = 0 Move the constant term to the right: Add '6' to each side of the equation. -6 + 1.333333333x + 6 + x2 = 0 + 6 Reorder the terms: -6 + 6 + 1.333333333x + x2 = 0 + 6 Combine like terms: -6 + 6 = 0 0 + 1.333333333x + x2 = 0 + 6 1.333333333x + x2 = 0 + 6 Combine like terms: 0 + 6 = 6 1.333333333x + x2 = 6 The x term is 1.333333333x. Take half its coefficient (0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. 1.333333333x + 0.4444444442 + x2 = 6 + 0.4444444442 Reorder the terms: 0.4444444442 + 1.333333333x + x2 = 6 + 0.4444444442 Combine like terms: 6 + 0.4444444442 = 6.4444444442 0.4444444442 + 1.333333333x + x2 = 6.4444444442 Factor a perfect square on the left side: (x + 0.6666666665)(x + 0.6666666665) = 6.4444444442 Calculate the square root of the right side: 2.538591035 Break this problem into two subproblems by setting (x + 0.6666666665) equal to 2.538591035 and -2.538591035.Subproblem 1
x + 0.6666666665 = 2.538591035 Simplifying x + 0.6666666665 = 2.538591035 Reorder the terms: 0.6666666665 + x = 2.538591035 Solving 0.6666666665 + x = 2.538591035 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + x = 2.538591035 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = 2.538591035 + -0.6666666665 x = 2.538591035 + -0.6666666665 Combine like terms: 2.538591035 + -0.6666666665 = 1.8719243685 x = 1.8719243685 Simplifying x = 1.8719243685Subproblem 2
x + 0.6666666665 = -2.538591035 Simplifying x + 0.6666666665 = -2.538591035 Reorder the terms: 0.6666666665 + x = -2.538591035 Solving 0.6666666665 + x = -2.538591035 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + x = -2.538591035 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = -2.538591035 + -0.6666666665 x = -2.538591035 + -0.6666666665 Combine like terms: -2.538591035 + -0.6666666665 = -3.2052577015 x = -3.2052577015 Simplifying x = -3.2052577015Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.8719243685, -3.2052577015}
| 7y/4x=12c | | 2(x+8)=7x+1 | | 2b/4+b/3=10 | | 2b/4 | | 75-9=5(-4+2y) | | -3r+7=-1 | | 9x+8+x=5x+11x+21 | | 1/4y+1/6y=-2 | | (x+9)(x-5)=x^2+1 | | 2x+1=a | | 3x+5/2-x+1/4=x+3 | | 8y-5=4y+40 | | 3x+y=420 | | 1+7x=-3x+6x | | 352=(2*95)+2w | | (x+2)/(3)=4-(x+5)/(2) | | 334=(2*98)+2w | | 5(21-u)/8=-5u+15 | | 7(3x-8)+40=4(5x+6)+x-13 | | 18(b-1)+10=2(9b-4) | | (1/3)(24x+21)-14=(-3/4)(8x-20) | | 75-9h=-20-10h | | y-(v+b)=x | | 224=4s | | (5x+7)+(2x-1)= | | 348=(2*81)+2w | | (2x-7)/(4)+x=(2x+7)/(2)+7 | | 330=(2*89)+2w | | 2y-3+y=1(y+2) | | 2x/3+x | | 6/y+9/y=5 | | 0.4x-1.1(-17)=-68 |