If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2x + 7x2 + -4 = 0 Reorder the terms: -4 + 2x + 7x2 = 0 Solving -4 + 2x + 7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -0.5714285714 + 0.2857142857x + x2 = 0 Move the constant term to the right: Add '0.5714285714' to each side of the equation. -0.5714285714 + 0.2857142857x + 0.5714285714 + x2 = 0 + 0.5714285714 Reorder the terms: -0.5714285714 + 0.5714285714 + 0.2857142857x + x2 = 0 + 0.5714285714 Combine like terms: -0.5714285714 + 0.5714285714 = 0.0000000000 0.0000000000 + 0.2857142857x + x2 = 0 + 0.5714285714 0.2857142857x + x2 = 0 + 0.5714285714 Combine like terms: 0 + 0.5714285714 = 0.5714285714 0.2857142857x + x2 = 0.5714285714 The x term is 0.2857142857x. Take half its coefficient (0.1428571429). Square it (0.02040816328) and add it to both sides. Add '0.02040816328' to each side of the equation. 0.2857142857x + 0.02040816328 + x2 = 0.5714285714 + 0.02040816328 Reorder the terms: 0.02040816328 + 0.2857142857x + x2 = 0.5714285714 + 0.02040816328 Combine like terms: 0.5714285714 + 0.02040816328 = 0.59183673468 0.02040816328 + 0.2857142857x + x2 = 0.59183673468 Factor a perfect square on the left side: (x + 0.1428571429)(x + 0.1428571429) = 0.59183673468 Calculate the square root of the right side: 0.769309258 Break this problem into two subproblems by setting (x + 0.1428571429) equal to 0.769309258 and -0.769309258.Subproblem 1
x + 0.1428571429 = 0.769309258 Simplifying x + 0.1428571429 = 0.769309258 Reorder the terms: 0.1428571429 + x = 0.769309258 Solving 0.1428571429 + x = 0.769309258 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1428571429' to each side of the equation. 0.1428571429 + -0.1428571429 + x = 0.769309258 + -0.1428571429 Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000 0.0000000000 + x = 0.769309258 + -0.1428571429 x = 0.769309258 + -0.1428571429 Combine like terms: 0.769309258 + -0.1428571429 = 0.6264521151 x = 0.6264521151 Simplifying x = 0.6264521151Subproblem 2
x + 0.1428571429 = -0.769309258 Simplifying x + 0.1428571429 = -0.769309258 Reorder the terms: 0.1428571429 + x = -0.769309258 Solving 0.1428571429 + x = -0.769309258 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1428571429' to each side of the equation. 0.1428571429 + -0.1428571429 + x = -0.769309258 + -0.1428571429 Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000 0.0000000000 + x = -0.769309258 + -0.1428571429 x = -0.769309258 + -0.1428571429 Combine like terms: -0.769309258 + -0.1428571429 = -0.9121664009 x = -0.9121664009 Simplifying x = -0.9121664009Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.6264521151, -0.9121664009}
| G+28=9g-36 | | 5sin[3(x+4)]=0 | | 4f+40=6f-40 | | -3x-13=2x-23 | | (-4c+1)(8)= | | n^2+4n-89=0 | | F(3)=2*3+8 | | 1/5x-2-x/3-5/9=2x-15/45 | | 2x+20=42 | | U+90=7u-84 | | 102.6=9(m+3.3) | | 15c+30=11c+62 | | x^2-3.6x+2.4=0 | | 5m-1=4n+5 | | x/8-x/2 | | 4x-30+9x=56-x-2 | | 2(x-6)+4x=11x+3 | | M+95=40m-100 | | .15x+.10(250-x)=28.75 | | 8m+98=30m-100 | | -3y-12=-8y-27 | | 8m+98=30m-10 | | d=a/2(2x-1) | | x^2-3.6x+3=0 | | lg(x-2)=1 | | .3(6a-4)=.10(2a-8) | | 18a-12=2a-8 | | 20j+1=18j+7 | | -3+3n=-3 | | 3+3b=-9 | | 15g+22=10g+77 | | 1+4m=-23 |