# ACT Math 1.2 Intermediate Algebra

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ACT Math Intermediate Algebra Drill 1, Problem 2. Find the product of (2a + 6)^{2}.

ACT Math | Intermediate Algebra |

ACT Mathematics | Intermediate Algebra |

Algebra | Multiplication and Division |

Foreign Language | Arabic Subtitled Chinese Subtitled Korean Subtitled Spanish Subtitled |

Intermediate Algebra | Binomials Roots of polynomials |

Language | English Language |

Number and Quantity | Perform arithmetic operations with complex numbers Use complex numbers in polynomial identities and equations |

Product Type | ACT Math |

### Transcript

Anyway... as we hopefully recall, FOIL is all about first, outside, inside, last...

and in this case we just multiply the stuff in parentheses... by itself.

We get quantity 2a plus 6 times 2a plus 6.

So the 2a times 2a gets us 4a squared.

Then the outsides are 2a times 6, which is 12a... we add this to the insides, which are

2a times 6 for a total of 24a.

The end is 6 times 6 which is 36...

So the answer is E.