3a^2+30a=-75

Simple and best practice solution for 3a^2+30a=-75 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+30a=-75 equation:


Simplifying
3a2 + 30a = -75

Reorder the terms:
30a + 3a2 = -75

Solving
30a + 3a2 = -75

Solving for variable 'a'.

Reorder the terms:
75 + 30a + 3a2 = -75 + 75

Combine like terms: -75 + 75 = 0
75 + 30a + 3a2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(25 + 10a + a2) = 0

Factor a trinomial.
3((5 + a)(5 + a)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(5 + a)' equal to zero and attempt to solve: Simplifying 5 + a = 0 Solving 5 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + a = 0 + -5 a = 0 + -5 Combine like terms: 0 + -5 = -5 a = -5 Simplifying a = -5

Subproblem 2

Set the factor '(5 + a)' equal to zero and attempt to solve: Simplifying 5 + a = 0 Solving 5 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + a = 0 + -5 Combine like terms: 5 + -5 = 0 0 + a = 0 + -5 a = 0 + -5 Combine like terms: 0 + -5 = -5 a = -5 Simplifying a = -5

Solution

a = {-5, -5}

See similar equations:

| 75=-57-f | | 130-25j=155 | | 10x-22y=0 | | 84=102-g | | 9x+59+6x-6+3x+8+12x+29=360 | | 2x^2=28+X | | 2x^2=28+c | | -90t+17=197 | | y=-x^2+5x-10 | | 157=125-u | | 12x-(3-2x)=4x+47 | | 3/4t=4-2 | | D(5)-9=8 | | 3w-14=-17 | | 9n-2n+2=27+3 | | 7g+3=-4 | | 4y+9=2t-6 | | 8a+5=15-6a | | M(6)+7=21 | | X^2+57-10x=0 | | 10+2k=14 | | 2402/5 | | 3z-7=12 | | 16x-7=15x-3 | | 5*7y= | | X-26=57x | | 2a-17=-19 | | 16x+15x=3+7 | | -10-13x=55 | | v=1/3x3.14x1x1 | | 196=27-q | | (x+2)+y=12 |

Equations solver categories