If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + 12x + 7 = 0 Reorder the terms: 7 + 12x + 3x2 = 0 Solving 7 + 12x + 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'. 2.333333333 + 4x + x2 = 0 Move the constant term to the right: Add '-2.333333333' to each side of the equation. 2.333333333 + 4x + -2.333333333 + x2 = 0 + -2.333333333 Reorder the terms: 2.333333333 + -2.333333333 + 4x + x2 = 0 + -2.333333333 Combine like terms: 2.333333333 + -2.333333333 = 0.000000000 0.000000000 + 4x + x2 = 0 + -2.333333333 4x + x2 = 0 + -2.333333333 Combine like terms: 0 + -2.333333333 = -2.333333333 4x + x2 = -2.333333333 The x term is 4x. Take half its coefficient (2). Square it (4) and add it to both sides. Add '4' to each side of the equation. 4x + 4 + x2 = -2.333333333 + 4 Reorder the terms: 4 + 4x + x2 = -2.333333333 + 4 Combine like terms: -2.333333333 + 4 = 1.666666667 4 + 4x + x2 = 1.666666667 Factor a perfect square on the left side: (x + 2)(x + 2) = 1.666666667 Calculate the square root of the right side: 1.290994449 Break this problem into two subproblems by setting (x + 2) equal to 1.290994449 and -1.290994449.Subproblem 1
x + 2 = 1.290994449 Simplifying x + 2 = 1.290994449 Reorder the terms: 2 + x = 1.290994449 Solving 2 + x = 1.290994449 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 1.290994449 + -2 Combine like terms: 2 + -2 = 0 0 + x = 1.290994449 + -2 x = 1.290994449 + -2 Combine like terms: 1.290994449 + -2 = -0.709005551 x = -0.709005551 Simplifying x = -0.709005551Subproblem 2
x + 2 = -1.290994449 Simplifying x + 2 = -1.290994449 Reorder the terms: 2 + x = -1.290994449 Solving 2 + x = -1.290994449 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -1.290994449 + -2 Combine like terms: 2 + -2 = 0 0 + x = -1.290994449 + -2 x = -1.290994449 + -2 Combine like terms: -1.290994449 + -2 = -3.290994449 x = -3.290994449 Simplifying x = -3.290994449Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.709005551, -3.290994449}
| 4x-2=156 | | z^2+10z+6=0 | | x-3x+3=11 | | (1.8E-4)(3.01E-7)=(x-.000549) | | 0.70x+0.5(8-x)=.10(-74) | | x^2-25x+19=0 | | 2x+7=49 | | 2x+7=46 | | 7x^2-38x+15=0 | | -x^2+4x=-43 | | .01285*ln(400)=.02 | | 4t-7=5(t-11) | | e^6x+2e^3x-24=0 | | 45.25+7.25x=25.25+9.75x | | 12=4(x-2) | | 10(x-4)(2x-9)=0 | | 3x(x+5)=4x+20 | | x-4x=33 | | -6n-20=-2n+4(i-3n) | | x+5x=30 | | .6v+2.1=4.5 | | 4x+12=-8 | | 1+200-201+5000/200*2000= | | 4-7x=39 | | 64=7x+5x+4 | | 3(x+1)=7 | | -x^2+9=0 | | -0.4(30)+0.5x=0.2(30+x) | | 576*67+99= | | 9x+7(x-y)-y= | | -4t^2+64= | | -7n-16=4n+7 |