If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x2 + 30x = 68 Reorder the terms: 30x + 9x2 = 68 Solving 30x + 9x2 = 68 Solving for variable 'x'. Reorder the terms: -68 + 30x + 9x2 = 68 + -68 Combine like terms: 68 + -68 = 0 -68 + 30x + 9x2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -7.555555556 + 3.333333333x + x2 = 0 Move the constant term to the right: Add '7.555555556' to each side of the equation. -7.555555556 + 3.333333333x + 7.555555556 + x2 = 0 + 7.555555556 Reorder the terms: -7.555555556 + 7.555555556 + 3.333333333x + x2 = 0 + 7.555555556 Combine like terms: -7.555555556 + 7.555555556 = 0.000000000 0.000000000 + 3.333333333x + x2 = 0 + 7.555555556 3.333333333x + x2 = 0 + 7.555555556 Combine like terms: 0 + 7.555555556 = 7.555555556 3.333333333x + x2 = 7.555555556 The x term is 3.333333333x. Take half its coefficient (1.666666667). Square it (2.777777779) and add it to both sides. Add '2.777777779' to each side of the equation. 3.333333333x + 2.777777779 + x2 = 7.555555556 + 2.777777779 Reorder the terms: 2.777777779 + 3.333333333x + x2 = 7.555555556 + 2.777777779 Combine like terms: 7.555555556 + 2.777777779 = 10.333333335 2.777777779 + 3.333333333x + x2 = 10.333333335 Factor a perfect square on the left side: (x + 1.666666667)(x + 1.666666667) = 10.333333335 Calculate the square root of the right side: 3.214550254 Break this problem into two subproblems by setting (x + 1.666666667) equal to 3.214550254 and -3.214550254.Subproblem 1
x + 1.666666667 = 3.214550254 Simplifying x + 1.666666667 = 3.214550254 Reorder the terms: 1.666666667 + x = 3.214550254 Solving 1.666666667 + x = 3.214550254 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.666666667' to each side of the equation. 1.666666667 + -1.666666667 + x = 3.214550254 + -1.666666667 Combine like terms: 1.666666667 + -1.666666667 = 0.000000000 0.000000000 + x = 3.214550254 + -1.666666667 x = 3.214550254 + -1.666666667 Combine like terms: 3.214550254 + -1.666666667 = 1.547883587 x = 1.547883587 Simplifying x = 1.547883587Subproblem 2
x + 1.666666667 = -3.214550254 Simplifying x + 1.666666667 = -3.214550254 Reorder the terms: 1.666666667 + x = -3.214550254 Solving 1.666666667 + x = -3.214550254 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.666666667' to each side of the equation. 1.666666667 + -1.666666667 + x = -3.214550254 + -1.666666667 Combine like terms: 1.666666667 + -1.666666667 = 0.000000000 0.000000000 + x = -3.214550254 + -1.666666667 x = -3.214550254 + -1.666666667 Combine like terms: -3.214550254 + -1.666666667 = -4.881216921 x = -4.881216921 Simplifying x = -4.881216921Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.547883587, -4.881216921}
| 2w+3z=12 | | 12-3x=6(x+3) | | m=5+n | | 4x^3-8x+5=0 | | 6x-57=4x-13 | | 43+5(3-x)+2=89 | | 10h+7=10 | | 2-4x=14 | | 100x-18+57-75x-39-25x+39+18=57 | | 4x+3+x+7=90 | | 4a^2-15=4a | | 15+2x-30+5x+30-7x+x=15 | | 2x-5+7x+3x-4x=11 | | z^2+49=3 | | y+2=3(x-1) | | 3x+2(x+3)=5x+11 | | 2cos^2x+4sinx=4 | | h(t)=t^2+8t+2 | | 3+4x=5x | | y-10.6=9(x-1) | | 4b-7=b+15.4 | | 1=logx | | 5x^2+4x-6x+3= | | 7x=5x+8-5x | | y-9=1(x-10.6) | | 5(x+1)=3(2-x) | | 4x^2-21x+15=-9x+10 | | 8w=5280 | | 3(x+3.9)=25.8 | | x^2-9x-6=-7x+2 | | 13.68=2.8w-9 | | 9y^2+36y+37=7 |