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Hatshy [7]
3 years ago
7

7. Which expression is a factor of x² + 2x – 15?

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
7 0

Answer:

(x-3) is the correct expression

Step-by-step explanation:

To factor you split the expression apart -

x² + 2x – 15

This breaks up to (x+5)(x-3)

If you multiply (FOIL) these you get your expression x² + 2x – 15

Your answer choices do not include (x+5) so it must be (x-3)

<em>I hope this helps!</em>

<em></em>

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