2.798a(9a+2)=6

Simple and best practice solution for 2.798a(9a+2)=6 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 2.798a(9a+2)=6 equation:


Simplifying
2.798a(9a + 2) = 6

Reorder the terms:
2.798a(2 + 9a) = 6
(2 * 2.798a + 9a * 2.798a) = 6
(5.596a + 25.182a2) = 6

Solving
5.596a + 25.182a2 = 6

Solving for variable 'a'.

Reorder the terms:
-6 + 5.596a + 25.182a2 = 6 + -6

Combine like terms: 6 + -6 = 0
-6 + 5.596a + 25.182a2 = 0

Begin completing the square.  Divide all terms by
25.182 the coefficient of the squared term: 

Divide each side by '25.182'.
-0.2382654277 + 0.2222222222a + a2 = 0

Move the constant term to the right:

Add '0.2382654277' to each side of the equation.
-0.2382654277 + 0.2222222222a + 0.2382654277 + a2 = 0 + 0.2382654277

Reorder the terms:
-0.2382654277 + 0.2382654277 + 0.2222222222a + a2 = 0 + 0.2382654277

Combine like terms: -0.2382654277 + 0.2382654277 = 0.0000000000
0.0000000000 + 0.2222222222a + a2 = 0 + 0.2382654277
0.2222222222a + a2 = 0 + 0.2382654277

Combine like terms: 0 + 0.2382654277 = 0.2382654277
0.2222222222a + a2 = 0.2382654277

The a term is 0.2222222222a.  Take half its coefficient (0.1111111111).
Square it (0.01234567901) and add it to both sides.

Add '0.01234567901' to each side of the equation.
0.2222222222a + 0.01234567901 + a2 = 0.2382654277 + 0.01234567901

Reorder the terms:
0.01234567901 + 0.2222222222a + a2 = 0.2382654277 + 0.01234567901

Combine like terms: 0.2382654277 + 0.01234567901 = 0.25061110671
0.01234567901 + 0.2222222222a + a2 = 0.25061110671

Factor a perfect square on the left side:
(a + 0.1111111111)(a + 0.1111111111) = 0.25061110671

Calculate the square root of the right side: 0.500610734

Break this problem into two subproblems by setting 
(a + 0.1111111111) equal to 0.500610734 and -0.500610734.

Subproblem 1

a + 0.1111111111 = 0.500610734 Simplifying a + 0.1111111111 = 0.500610734 Reorder the terms: 0.1111111111 + a = 0.500610734 Solving 0.1111111111 + a = 0.500610734 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-0.1111111111' to each side of the equation. 0.1111111111 + -0.1111111111 + a = 0.500610734 + -0.1111111111 Combine like terms: 0.1111111111 + -0.1111111111 = 0.0000000000 0.0000000000 + a = 0.500610734 + -0.1111111111 a = 0.500610734 + -0.1111111111 Combine like terms: 0.500610734 + -0.1111111111 = 0.3894996229 a = 0.3894996229 Simplifying a = 0.3894996229

Subproblem 2

a + 0.1111111111 = -0.500610734 Simplifying a + 0.1111111111 = -0.500610734 Reorder the terms: 0.1111111111 + a = -0.500610734 Solving 0.1111111111 + a = -0.500610734 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-0.1111111111' to each side of the equation. 0.1111111111 + -0.1111111111 + a = -0.500610734 + -0.1111111111 Combine like terms: 0.1111111111 + -0.1111111111 = 0.0000000000 0.0000000000 + a = -0.500610734 + -0.1111111111 a = -0.500610734 + -0.1111111111 Combine like terms: -0.500610734 + -0.1111111111 = -0.6117218451 a = -0.6117218451 Simplifying a = -0.6117218451

Solution

The solution to the problem is based on the solutions from the subproblems. a = {0.3894996229, -0.6117218451}

See similar equations:

| -5+4y=-24 | | 3(-3x+3)=-2(x-10)-8x | | 29.4=-0.002t^2+.5t | | -x-8=3x+8 | | log(x)(64)=3 | | (x*x)-x*y+(y*y)=1 | | 6=6(-5x-4)+5(x-4) | | 6x+57=2x+21 | | 8p+8=7p+13 | | 2(x-5)=x+3 | | -x+28=2x+13 | | 1=-2(x+3) | | (2y-6)*(2y+3)= | | 3[4x-5]=5[2x-5] | | x-9=4x+15 | | -4(3x+2)-6(5-x)=-32 | | 7x+13=3x+1 | | 2(x+1)=4x-2(x+2) | | -5=2(u-7)-5u | | 12+3+37+(5+x)=30 | | -3(5x-1)-4(X-2)= | | 6(1+5x)-x=-110 | | 11+8q=3-19 | | -3(2t+-4)+4t=8t-7 | | y=2x+5z | | s-5=500 | | 14-2x-20=2x-6+9x | | z^4=sqrt(3)+3i | | 14-2x-20=2x-6+9 | | -2(t-5)+5t=7t-2 | | X+3(5-6y)=5x+7y | | .02x=800 |

Equations solver categories