a^2=5.2a-6

Simple and best practice solution for a^2=5.2a-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 a^2=5.2a-6 equation:


Simplifying
a2 = 5.2a + -6

Reorder the terms:
a2 = -6 + 5.2a

Solving
a2 = -6 + 5.2a

Solving for variable 'a'.

Reorder the terms:
6 + -5.2a + a2 = -6 + 5.2a + 6 + -5.2a

Reorder the terms:
6 + -5.2a + a2 = -6 + 6 + 5.2a + -5.2a

Combine like terms: -6 + 6 = 0
6 + -5.2a + a2 = 0 + 5.2a + -5.2a
6 + -5.2a + a2 = 5.2a + -5.2a

Combine like terms: 5.2a + -5.2a = 0.0
6 + -5.2a + a2 = 0.0

Begin completing the square.

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -5.2a + -6 + a2 = 0.0 + -6

Reorder the terms:
6 + -6 + -5.2a + a2 = 0.0 + -6

Combine like terms: 6 + -6 = 0
0 + -5.2a + a2 = 0.0 + -6
-5.2a + a2 = 0.0 + -6

Combine like terms: 0.0 + -6 = -6
-5.2a + a2 = -6

The a term is -5.2a.  Take half its coefficient (-2.6).
Square it (6.76) and add it to both sides.

Add '6.76' to each side of the equation.
-5.2a + 6.76 + a2 = -6 + 6.76

Reorder the terms:
6.76 + -5.2a + a2 = -6 + 6.76

Combine like terms: -6 + 6.76 = 0.76
6.76 + -5.2a + a2 = 0.76

Factor a perfect square on the left side:
(a + -2.6)(a + -2.6) = 0.76

Calculate the square root of the right side: 0.871779789

Break this problem into two subproblems by setting 
(a + -2.6) equal to 0.871779789 and -0.871779789.

Subproblem 1

a + -2.6 = 0.871779789 Simplifying a + -2.6 = 0.871779789 Reorder the terms: -2.6 + a = 0.871779789 Solving -2.6 + a = 0.871779789 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '2.6' to each side of the equation. -2.6 + 2.6 + a = 0.871779789 + 2.6 Combine like terms: -2.6 + 2.6 = 0.0 0.0 + a = 0.871779789 + 2.6 a = 0.871779789 + 2.6 Combine like terms: 0.871779789 + 2.6 = 3.471779789 a = 3.471779789 Simplifying a = 3.471779789

Subproblem 2

a + -2.6 = -0.871779789 Simplifying a + -2.6 = -0.871779789 Reorder the terms: -2.6 + a = -0.871779789 Solving -2.6 + a = -0.871779789 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '2.6' to each side of the equation. -2.6 + 2.6 + a = -0.871779789 + 2.6 Combine like terms: -2.6 + 2.6 = 0.0 0.0 + a = -0.871779789 + 2.6 a = -0.871779789 + 2.6 Combine like terms: -0.871779789 + 2.6 = 1.728220211 a = 1.728220211 Simplifying a = 1.728220211

Solution

The solution to the problem is based on the solutions from the subproblems. a = {3.471779789, 1.728220211}

See similar equations:

| logx^2-1=2 | | -8x+4+x-10= | | 3+a=a-2 | | 3r(r-5)-2r(3r-1)=0 | | 4^2x4^5/4^3 | | 7-5x+10=3x+8 | | 3-3=31 | | -3m-8v-4m+5v= | | 1.3z^2+1.56-5.265=0 | | -15+5n=5(7n-3) | | 2logx=2+log(x-16) | | 1/2x4/7 | | 30=5(c+3) | | 9x^2-6x-7.3=0 | | 8(m+3)=8m+24 | | 9x^2-6x+0=0 | | x-(x*0.25)=1.5 | | 2logx=2+log(log-16) | | 5(n-83)-(-59)=69 | | 5x+(-3)=4 | | -9+6x=3+3x | | 4(k+5)-17=63 | | (2-u)(5u-7)=0 | | 3509a-2750=7 | | 3x^2+17x+28=0 | | 5/5=25 | | 3y^2+17=0 | | t=1/6ya | | 19x+11y=-3 | | 2+6a=8a-6 | | 2r^2-8r+7=0 | | 18x-20y=150 |

Equations solver categories