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I need help solving this (4a^2+6a+9)(2a-3)​

1 Answer

10 votes

Answer:

a = 3/2

Explanation:

Solve for a over the real numbers:

8 a^3 - 27 = 0

Hint: | Isolate terms with a to the left hand side.

Add 27 to both sides:

8 a^3 = 27

Hint: | Divide both sides by a constant to simplify the equation.

Divide both sides by 8:

a^3 = 27/8

Hint: | Elminate the power on the left hand side.

Take cube roots of both sides:

Answer: a = 3/2

User Marwan Salim
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