If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + -28x + -18 = 0 Reorder the terms: -18 + -28x + 3x2 = 0 Solving -18 + -28x + 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'. -6 + -9.333333333x + x2 = 0 Move the constant term to the right: Add '6' to each side of the equation. -6 + -9.333333333x + 6 + x2 = 0 + 6 Reorder the terms: -6 + 6 + -9.333333333x + x2 = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -9.333333333x + x2 = 0 + 6 -9.333333333x + x2 = 0 + 6 Combine like terms: 0 + 6 = 6 -9.333333333x + x2 = 6 The x term is -9.333333333x. Take half its coefficient (-4.666666667). Square it (21.77777778) and add it to both sides. Add '21.77777778' to each side of the equation. -9.333333333x + 21.77777778 + x2 = 6 + 21.77777778 Reorder the terms: 21.77777778 + -9.333333333x + x2 = 6 + 21.77777778 Combine like terms: 6 + 21.77777778 = 27.77777778 21.77777778 + -9.333333333x + x2 = 27.77777778 Factor a perfect square on the left side: (x + -4.666666667)(x + -4.666666667) = 27.77777778 Calculate the square root of the right side: 5.270462767 Break this problem into two subproblems by setting (x + -4.666666667) equal to 5.270462767 and -5.270462767.Subproblem 1
x + -4.666666667 = 5.270462767 Simplifying x + -4.666666667 = 5.270462767 Reorder the terms: -4.666666667 + x = 5.270462767 Solving -4.666666667 + x = 5.270462767 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.666666667' to each side of the equation. -4.666666667 + 4.666666667 + x = 5.270462767 + 4.666666667 Combine like terms: -4.666666667 + 4.666666667 = 0.000000000 0.000000000 + x = 5.270462767 + 4.666666667 x = 5.270462767 + 4.666666667 Combine like terms: 5.270462767 + 4.666666667 = 9.937129434 x = 9.937129434 Simplifying x = 9.937129434Subproblem 2
x + -4.666666667 = -5.270462767 Simplifying x + -4.666666667 = -5.270462767 Reorder the terms: -4.666666667 + x = -5.270462767 Solving -4.666666667 + x = -5.270462767 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.666666667' to each side of the equation. -4.666666667 + 4.666666667 + x = -5.270462767 + 4.666666667 Combine like terms: -4.666666667 + 4.666666667 = 0.000000000 0.000000000 + x = -5.270462767 + 4.666666667 x = -5.270462767 + 4.666666667 Combine like terms: -5.270462767 + 4.666666667 = -0.6037961 x = -0.6037961 Simplifying x = -0.6037961Solution
The solution to the problem is based on the solutions from the subproblems. x = {9.937129434, -0.6037961}
| 10/0.1 | | 4z=5-2z | | (0.3-y)+1.1+2.4x=0 | | 3(2x+6)+6=2-4(3x-8) | | b=10-2x | | (7/9)^0 | | -7(w-6)-(8w-2)=-16w | | 4x+3-8x=-3x-5+2 | | 3.16227766017*3.16227766017= | | 3(y+9)=2y-5 | | 3p=1/2=0 | | 909109304920493024x=2198982931x | | 2(6z+1)=19+11z | | 0(t)=-16t^2+300 | | -y-3/4=0 | | -12+2v-18v=6(-6v+18) | | 2.25-0.5x=0.375x+0.5 | | 6b-2+5b=-24 | | -1/7z=5 | | 5x=7-15x | | 3-2(x-1)+4x=5-2(x+1) | | 2x-12+2x=72 | | b-3/-5=-5 | | lg(x-3)+lg(x+45)=2 | | -4(-6f-16)=-11+5f-6f | | 20p+20=5(4p+4) | | 3/5a-(-3)=12 | | 2(.5n+4)-6n=-7 | | m/3.54=1.5 | | 2n-8=-7n-8+9n | | 3x-2(x+3)=4x | | 44=b-(-21) |