If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9a2 + -25a + -16 = 0 Reorder the terms: -16 + -25a + 9a2 = 0 Solving -16 + -25a + 9a2 = 0 Solving for variable 'a'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -1.777777778 + -2.777777778a + a2 = 0 Move the constant term to the right: Add '1.777777778' to each side of the equation. -1.777777778 + -2.777777778a + 1.777777778 + a2 = 0 + 1.777777778 Reorder the terms: -1.777777778 + 1.777777778 + -2.777777778a + a2 = 0 + 1.777777778 Combine like terms: -1.777777778 + 1.777777778 = 0.000000000 0.000000000 + -2.777777778a + a2 = 0 + 1.777777778 -2.777777778a + a2 = 0 + 1.777777778 Combine like terms: 0 + 1.777777778 = 1.777777778 -2.777777778a + a2 = 1.777777778 The a term is -2.777777778a. Take half its coefficient (-1.388888889). Square it (1.929012346) and add it to both sides. Add '1.929012346' to each side of the equation. -2.777777778a + 1.929012346 + a2 = 1.777777778 + 1.929012346 Reorder the terms: 1.929012346 + -2.777777778a + a2 = 1.777777778 + 1.929012346 Combine like terms: 1.777777778 + 1.929012346 = 3.706790124 1.929012346 + -2.777777778a + a2 = 3.706790124 Factor a perfect square on the left side: (a + -1.388888889)(a + -1.388888889) = 3.706790124 Calculate the square root of the right side: 1.925302606 Break this problem into two subproblems by setting (a + -1.388888889) equal to 1.925302606 and -1.925302606.Subproblem 1
a + -1.388888889 = 1.925302606 Simplifying a + -1.388888889 = 1.925302606 Reorder the terms: -1.388888889 + a = 1.925302606 Solving -1.388888889 + a = 1.925302606 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '1.388888889' to each side of the equation. -1.388888889 + 1.388888889 + a = 1.925302606 + 1.388888889 Combine like terms: -1.388888889 + 1.388888889 = 0.000000000 0.000000000 + a = 1.925302606 + 1.388888889 a = 1.925302606 + 1.388888889 Combine like terms: 1.925302606 + 1.388888889 = 3.314191495 a = 3.314191495 Simplifying a = 3.314191495Subproblem 2
a + -1.388888889 = -1.925302606 Simplifying a + -1.388888889 = -1.925302606 Reorder the terms: -1.388888889 + a = -1.925302606 Solving -1.388888889 + a = -1.925302606 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '1.388888889' to each side of the equation. -1.388888889 + 1.388888889 + a = -1.925302606 + 1.388888889 Combine like terms: -1.388888889 + 1.388888889 = 0.000000000 0.000000000 + a = -1.925302606 + 1.388888889 a = -1.925302606 + 1.388888889 Combine like terms: -1.925302606 + 1.388888889 = -0.536413717 a = -0.536413717 Simplifying a = -0.536413717Solution
The solution to the problem is based on the solutions from the subproblems. a = {3.314191495, -0.536413717}
| 4k=5k-6 | | I=108x-215504 | | 68.7g=mg | | 5x=7x-46 | | 5.7(3p+5)-1.8(4p-6)= | | 3-10n=6n+19 | | (x-3)*(x^6-2x^3+1)=0 | | 2-3x=9x+7 | | 10k-4=q | | qr+s=t | | 5x-3=47-x | | 6(t-3)+8t=7(2t+5)-13 | | 8-4(1-m)=8(m-2) | | (3y-2)=19-4y | | -3(4p+4)-2(1-11p)=3(2+3p) | | 8(1+x)-4x=6x-6(x-2) | | 84+(-99)+44-(18)-43= | | n-7=8 | | 9(x+7)=5[x-(7-x)] | | y+(-5)=32 | | 6p+8+2-2p=-2(4p+7)-8(6-6p) | | a+(-5)=-27 | | x^2+16x+72=0 | | a+[a-2]=[a+3]-[a+1] | | c+14=55 | | (7x-3)(7x-3)=7 | | (7n+4)+12=3 | | 26-14= | | c-8=17 | | -23-17= | | 8=4(x-3)-(x-5) | | -21-14= |