If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying (7x2 + 2x) + -1(3x + 8) + (-4x2 + -4) = 0 Reorder the terms: (2x + 7x2) + -1(3x + 8) + (-4x2 + -4) = 0 Remove parenthesis around (2x + 7x2) 2x + 7x2 + -1(3x + 8) + (-4x2 + -4) = 0 Reorder the terms: 2x + 7x2 + -1(8 + 3x) + (-4x2 + -4) = 0 2x + 7x2 + (8 * -1 + 3x * -1) + (-4x2 + -4) = 0 2x + 7x2 + (-8 + -3x) + (-4x2 + -4) = 0 Reorder the terms: 2x + 7x2 + -8 + -3x + (-4 + -4x2) = 0 Remove parenthesis around (-4 + -4x2) 2x + 7x2 + -8 + -3x + -4 + -4x2 = 0 Reorder the terms: -8 + -4 + 2x + -3x + 7x2 + -4x2 = 0 Combine like terms: -8 + -4 = -12 -12 + 2x + -3x + 7x2 + -4x2 = 0 Combine like terms: 2x + -3x = -1x -12 + -1x + 7x2 + -4x2 = 0 Combine like terms: 7x2 + -4x2 = 3x2 -12 + -1x + 3x2 = 0 Solving -12 + -1x + 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'. -4 + -0.3333333333x + x2 = 0 Move the constant term to the right: Add '4' to each side of the equation. -4 + -0.3333333333x + 4 + x2 = 0 + 4 Reorder the terms: -4 + 4 + -0.3333333333x + x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -0.3333333333x + x2 = 0 + 4 -0.3333333333x + x2 = 0 + 4 Combine like terms: 0 + 4 = 4 -0.3333333333x + x2 = 4 The x term is -0.3333333333x. Take half its coefficient (-0.1666666667). Square it (0.02777777779) and add it to both sides. Add '0.02777777779' to each side of the equation. -0.3333333333x + 0.02777777779 + x2 = 4 + 0.02777777779 Reorder the terms: 0.02777777779 + -0.3333333333x + x2 = 4 + 0.02777777779 Combine like terms: 4 + 0.02777777779 = 4.02777777779 0.02777777779 + -0.3333333333x + x2 = 4.02777777779 Factor a perfect square on the left side: (x + -0.1666666667)(x + -0.1666666667) = 4.02777777779 Calculate the square root of the right side: 2.00693243 Break this problem into two subproblems by setting (x + -0.1666666667) equal to 2.00693243 and -2.00693243.Subproblem 1
x + -0.1666666667 = 2.00693243 Simplifying x + -0.1666666667 = 2.00693243 Reorder the terms: -0.1666666667 + x = 2.00693243 Solving -0.1666666667 + x = 2.00693243 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = 2.00693243 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = 2.00693243 + 0.1666666667 x = 2.00693243 + 0.1666666667 Combine like terms: 2.00693243 + 0.1666666667 = 2.1735990967 x = 2.1735990967 Simplifying x = 2.1735990967Subproblem 2
x + -0.1666666667 = -2.00693243 Simplifying x + -0.1666666667 = -2.00693243 Reorder the terms: -0.1666666667 + x = -2.00693243 Solving -0.1666666667 + x = -2.00693243 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = -2.00693243 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = -2.00693243 + 0.1666666667 x = -2.00693243 + 0.1666666667 Combine like terms: -2.00693243 + 0.1666666667 = -1.8402657633 x = -1.8402657633 Simplifying x = -1.8402657633Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.1735990967, -1.8402657633}
| 1.3h+4=3 | | -3/k=9 | | 6w-2+2=38 | | x+.15x=48 | | 3y+5-8=55 | | 4+6w+30+w=7w+34 | | x/5-9=-3 | | x+.15x=44.5 | | -.4(x-3.8)=-2 | | 2+12x=-42+x | | -2a*In(x)+In(y)=In(5) | | 6+6x=-9+x | | 6y=-2x+10 | | -0.8w+6=-1.2 | | 3(-14)-2y=-18 | | 12x+3y=117 | | -1.3-.1x=6.1 | | .5(x+3)=-4 | | 3(x+7)=66 | | 18x^2-63=x | | 3(x+4)-2(3x-2)=-5 | | -4.3-.01x=-6.1 | | 3(x+7)=77 | | (15x-4y)(x+4y)= | | 5b=7b+1-2b | | 8x+2=4x-7 | | 15x^2+3x^7= | | (7c+2d)(7c+2d)= | | 2(3-3x-2x)+2(4x+9)=12 | | (3x-8y)(5x-2y)= | | 5-3u=-3-2u | | 3x-2=7x+9 |