If f(x) = (3 + x) (x-3) what is f(a + 2)?

Schmuddi asked Jun 1, 2023

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35 votes

If f(x) =
(3 + x)
(x-3)
what is f(a + 2)?

Schmuddi asked Jun 1, 2023

3.0k points

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9 votes

Answer:

(a^2)+4a-5

Explanation:

(3+a+2)(a+2-3)

(a+5)(a-1)

use FOIL or box method

5a-5+(a^2)-a simplifyes to

(a^2)+4a-5

SangminKim answered Jun 5, 2023

2.7k points

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