3a^2+4a=2a^2-2a-9

Simple and best practice solution for 3a^2+4a=2a^2-2a-9 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 3a^2+4a=2a^2-2a-9 equation:


Simplifying
3a2 + 4a = 2a2 + -2a + -9

Reorder the terms:
4a + 3a2 = 2a2 + -2a + -9

Reorder the terms:
4a + 3a2 = -9 + -2a + 2a2

Solving
4a + 3a2 = -9 + -2a + 2a2

Solving for variable 'a'.

Reorder the terms:
9 + 4a + 2a + 3a2 + -2a2 = -9 + -2a + 2a2 + 9 + 2a + -2a2

Combine like terms: 4a + 2a = 6a
9 + 6a + 3a2 + -2a2 = -9 + -2a + 2a2 + 9 + 2a + -2a2

Combine like terms: 3a2 + -2a2 = 1a2
9 + 6a + 1a2 = -9 + -2a + 2a2 + 9 + 2a + -2a2

Reorder the terms:
9 + 6a + 1a2 = -9 + 9 + -2a + 2a + 2a2 + -2a2

Combine like terms: -9 + 9 = 0
9 + 6a + 1a2 = 0 + -2a + 2a + 2a2 + -2a2
9 + 6a + 1a2 = -2a + 2a + 2a2 + -2a2

Combine like terms: -2a + 2a = 0
9 + 6a + 1a2 = 0 + 2a2 + -2a2
9 + 6a + 1a2 = 2a2 + -2a2

Combine like terms: 2a2 + -2a2 = 0
9 + 6a + 1a2 = 0

Factor a trinomial.
(3 + a)(3 + a) = 0

Subproblem 1

Set the factor '(3 + a)' equal to zero and attempt to solve: Simplifying 3 + a = 0 Solving 3 + a = 0 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 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + a = 0 + -3 a = 0 + -3 Combine like terms: 0 + -3 = -3 a = -3 Simplifying a = -3

Subproblem 2

Set the factor '(3 + a)' equal to zero and attempt to solve: Simplifying 3 + a = 0 Solving 3 + a = 0 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 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + a = 0 + -3 a = 0 + -3 Combine like terms: 0 + -3 = -3 a = -3 Simplifying a = -3

Solution

a = {-3, -3}

See similar equations:

| 0=n+16 | | 2x-1=5x | | Y-10y+16=0 | | 7(3p+3)-7p= | | 6*3= | | 5j-9(5g+7u)+2-32= | | 6.3= | | 6x^3-7x^2+7x+9=0 | | 8x+7(-4+3x)= | | 3+2(1-5m)= | | 4(3n+1)-5= | | -3k+6(3k+3)= | | 3x^2-17x=6 | | 64k^2-81=0 | | 24n^2+16n=0 | | 4x^2-24x+32=0 | | 3-81=0 | | 4y^2+4y-3=0 | | 2n^2+4n-2=0 | | 4x^2+4=36 | | 81x-21=5+9x | | 2m-6=12 | | .76(-2x-3)=.19x+6 | | 2m-3=4m+7 | | -4x^2-21x-20=0 | | 500-200n=200+40n | | x+1=3x-5 | | 4(3c-6)=2c+11 | | (5/3)m=-70 | | 3c^2=5c | | 8x-7*3=11 | | 2a-4=12 |

Equations solver categories