6a^2-10=a

Simple and best practice solution for 6a^2-10=a 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 6a^2-10=a equation:


Simplifying
6a2 + -10 = a

Reorder the terms:
-10 + 6a2 = a

Solving
-10 + 6a2 = a

Solving for variable 'a'.

Reorder the terms:
-10 + -1a + 6a2 = a + -1a

Combine like terms: a + -1a = 0
-10 + -1a + 6a2 = 0

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

Divide each side by '6'.
-1.666666667 + -0.1666666667a + a2 = 0

Move the constant term to the right:

Add '1.666666667' to each side of the equation.
-1.666666667 + -0.1666666667a + 1.666666667 + a2 = 0 + 1.666666667

Reorder the terms:
-1.666666667 + 1.666666667 + -0.1666666667a + a2 = 0 + 1.666666667

Combine like terms: -1.666666667 + 1.666666667 = 0.000000000
0.000000000 + -0.1666666667a + a2 = 0 + 1.666666667
-0.1666666667a + a2 = 0 + 1.666666667

Combine like terms: 0 + 1.666666667 = 1.666666667
-0.1666666667a + a2 = 1.666666667

The a term is -0.1666666667a.  Take half its coefficient (-0.08333333335).
Square it (0.006944444447) and add it to both sides.

Add '0.006944444447' to each side of the equation.
-0.1666666667a + 0.006944444447 + a2 = 1.666666667 + 0.006944444447

Reorder the terms:
0.006944444447 + -0.1666666667a + a2 = 1.666666667 + 0.006944444447

Combine like terms: 1.666666667 + 0.006944444447 = 1.673611111447
0.006944444447 + -0.1666666667a + a2 = 1.673611111447

Factor a perfect square on the left side:
(a + -0.08333333335)(a + -0.08333333335) = 1.673611111447

Calculate the square root of the right side: 1.293681225

Break this problem into two subproblems by setting 
(a + -0.08333333335) equal to 1.293681225 and -1.293681225.

Subproblem 1

a + -0.08333333335 = 1.293681225 Simplifying a + -0.08333333335 = 1.293681225 Reorder the terms: -0.08333333335 + a = 1.293681225 Solving -0.08333333335 + a = 1.293681225 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.08333333335' to each side of the equation. -0.08333333335 + 0.08333333335 + a = 1.293681225 + 0.08333333335 Combine like terms: -0.08333333335 + 0.08333333335 = 0.00000000000 0.00000000000 + a = 1.293681225 + 0.08333333335 a = 1.293681225 + 0.08333333335 Combine like terms: 1.293681225 + 0.08333333335 = 1.37701455835 a = 1.37701455835 Simplifying a = 1.37701455835

Subproblem 2

a + -0.08333333335 = -1.293681225 Simplifying a + -0.08333333335 = -1.293681225 Reorder the terms: -0.08333333335 + a = -1.293681225 Solving -0.08333333335 + a = -1.293681225 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.08333333335' to each side of the equation. -0.08333333335 + 0.08333333335 + a = -1.293681225 + 0.08333333335 Combine like terms: -0.08333333335 + 0.08333333335 = 0.00000000000 0.00000000000 + a = -1.293681225 + 0.08333333335 a = -1.293681225 + 0.08333333335 Combine like terms: -1.293681225 + 0.08333333335 = -1.21034789165 a = -1.21034789165 Simplifying a = -1.21034789165

Solution

The solution to the problem is based on the solutions from the subproblems. a = {1.37701455835, -1.21034789165}

See similar equations:

| 5-3r=-15 | | x+128=140 | | 10x+2y+.5z=100 | | -8(x-1)+(14x)=6(x-9)-14 | | 3x^2+2=2x^2 | | -6p+7=2(2p-3)-4(-10+4p) | | x^2+13=14x | | 6n=25 | | 2y-9=2y+1 | | x+x+2.5x=80 | | 10/11x+3/7=4/5-1/11x+4/5 | | 4-c/2c-8 | | 0=t-(-6)-(-7t) | | -4x-4=x+5 | | -3(p-6)= | | (x+8)/7=(x+9)/9 | | ax+bx-c=0 | | x+8/7=x+9/9 | | 2/3(2x+3)=7-x/2 | | x*10=50 | | 2a+5=5a+7 | | 3(x-11)+5=68 | | 14x-4=8x+4 | | -4(x-1)-10=16+2 | | 8x+4=14x-1 | | 13x+4=8x+4 | | x+50=130 | | 4x+9=104 | | 6z=12-30 | | 40/5x+60/4x=40/5+20x | | -3a+5+4a=13-26 | | 02x^2+24x+72=0 |

Equations solver categories