a^2+6a-48=-5

Simple and best practice solution for a^2+6a-48=-5 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+6a-48=-5 equation:


Simplifying
a2 + 6a + -48 = -5

Reorder the terms:
-48 + 6a + a2 = -5

Solving
-48 + 6a + a2 = -5

Solving for variable 'a'.

Reorder the terms:
-48 + 5 + 6a + a2 = -5 + 5

Combine like terms: -48 + 5 = -43
-43 + 6a + a2 = -5 + 5

Combine like terms: -5 + 5 = 0
-43 + 6a + a2 = 0

Begin completing the square.

Move the constant term to the right:

Add '43' to each side of the equation.
-43 + 6a + 43 + a2 = 0 + 43

Reorder the terms:
-43 + 43 + 6a + a2 = 0 + 43

Combine like terms: -43 + 43 = 0
0 + 6a + a2 = 0 + 43
6a + a2 = 0 + 43

Combine like terms: 0 + 43 = 43
6a + a2 = 43

The a term is 6a.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6a + 9 + a2 = 43 + 9

Reorder the terms:
9 + 6a + a2 = 43 + 9

Combine like terms: 43 + 9 = 52
9 + 6a + a2 = 52

Factor a perfect square on the left side:
(a + 3)(a + 3) = 52

Calculate the square root of the right side: 7.211102551

Break this problem into two subproblems by setting 
(a + 3) equal to 7.211102551 and -7.211102551.

Subproblem 1

a + 3 = 7.211102551 Simplifying a + 3 = 7.211102551 Reorder the terms: 3 + a = 7.211102551 Solving 3 + a = 7.211102551 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + a = 7.211102551 + -3 Combine like terms: 3 + -3 = 0 0 + a = 7.211102551 + -3 a = 7.211102551 + -3 Combine like terms: 7.211102551 + -3 = 4.211102551 a = 4.211102551 Simplifying a = 4.211102551

Subproblem 2

a + 3 = -7.211102551 Simplifying a + 3 = -7.211102551 Reorder the terms: 3 + a = -7.211102551 Solving 3 + a = -7.211102551 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + a = -7.211102551 + -3 Combine like terms: 3 + -3 = 0 0 + a = -7.211102551 + -3 a = -7.211102551 + -3 Combine like terms: -7.211102551 + -3 = -10.211102551 a = -10.211102551 Simplifying a = -10.211102551

Solution

The solution to the problem is based on the solutions from the subproblems. a = {4.211102551, -10.211102551}

See similar equations:

| 2u^2-u=6 | | 2y-1/2=17 | | x=2x-8/5 | | 4(3x+5)-6(3x-5)=11x+3(2x-8) | | 104.06=25h/3 | | 17-(k-4)=6k | | 162=7-w | | u+9=-6 | | (x-3)/3x0 | | x-3/3x0 | | d+8c= | | 8y-6+9=10+3-2y | | 8x-16y=24 | | 3sin(2x)=2 | | 3w+w-4=16 | | 3+30x=20x+11 | | c+2c+c+10=90 | | 2x+4+7x-5=53 | | 2x^3+7x^2+8x+3=0 | | (64/25)^-3/2 | | -15*-384= | | 36-5x=6-8x | | 3v+5=-4 | | 375/8x3.5 | | -13=8+3y | | -140/20= | | -2=2u+6 | | 5y+4=-27 | | 2v-13=15 | | 5v+9=84 | | 12cos^2(x)-14sin(x)-16=0 | | 21-117= |

Equations solver categories