If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2a2 + -11a + -42 = 0 Reorder the terms: -42 + -11a + 2a2 = 0 Solving -42 + -11a + 2a2 = 0 Solving for variable 'a'. Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -21 + -5.5a + a2 = 0 Move the constant term to the right: Add '21' to each side of the equation. -21 + -5.5a + 21 + a2 = 0 + 21 Reorder the terms: -21 + 21 + -5.5a + a2 = 0 + 21 Combine like terms: -21 + 21 = 0 0 + -5.5a + a2 = 0 + 21 -5.5a + a2 = 0 + 21 Combine like terms: 0 + 21 = 21 -5.5a + a2 = 21 The a term is -5.5a. Take half its coefficient (-2.75). Square it (7.5625) and add it to both sides. Add '7.5625' to each side of the equation. -5.5a + 7.5625 + a2 = 21 + 7.5625 Reorder the terms: 7.5625 + -5.5a + a2 = 21 + 7.5625 Combine like terms: 21 + 7.5625 = 28.5625 7.5625 + -5.5a + a2 = 28.5625 Factor a perfect square on the left side: (a + -2.75)(a + -2.75) = 28.5625 Calculate the square root of the right side: 5.344389582 Break this problem into two subproblems by setting (a + -2.75) equal to 5.344389582 and -5.344389582.Subproblem 1
a + -2.75 = 5.344389582 Simplifying a + -2.75 = 5.344389582 Reorder the terms: -2.75 + a = 5.344389582 Solving -2.75 + a = 5.344389582 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + a = 5.344389582 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + a = 5.344389582 + 2.75 a = 5.344389582 + 2.75 Combine like terms: 5.344389582 + 2.75 = 8.094389582 a = 8.094389582 Simplifying a = 8.094389582Subproblem 2
a + -2.75 = -5.344389582 Simplifying a + -2.75 = -5.344389582 Reorder the terms: -2.75 + a = -5.344389582 Solving -2.75 + a = -5.344389582 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + a = -5.344389582 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + a = -5.344389582 + 2.75 a = -5.344389582 + 2.75 Combine like terms: -5.344389582 + 2.75 = -2.594389582 a = -2.594389582 Simplifying a = -2.594389582Solution
The solution to the problem is based on the solutions from the subproblems. a = {8.094389582, -2.594389582}
| 9=5-r-2 | | 3(2X-5)=1/4(12x-8) | | x/3+8=4 | | 12+5x-8=12-10 | | 6-5+7= | | 9/5X-8=7 | | 8c+12-3c=-6c+8c | | 15t^2-4t-4=0 | | 10m+6n=121 | | -2/5(2x-1)=6 | | 1/2(x+2) | | 8/5q+7=-3 | | 4(w+6)=56 | | 6x-4x=-8 | | 3x+8/a=10 | | 7/4x-6=22 | | r-24=23 | | 6=x-4x | | 3x+7x-2=2(5x+1) | | 6a-6=3a+12 | | 8/4x-6=22 | | -3x+1=y | | 4(3t-5)=2(4-6t) | | 3*3*3+(3+2)*3+2= | | 5-n+4=9 | | 4000/15 | | 5X(-1.2)=3X | | 5x-4=3n+6 | | 13/4x-6=22 | | 3/2y-y+4+1/2y | | 5n-4=3n*6 | | 20x^2-12x-27=0 |