What is the product of (r + 4) and (r - 3)

r + 4(r - 3)

We'll use the distributive property to simplify this.

r^2 - 3r + 4r - 12

Combine like terms

r^2 + r - 12 is the simplified form.

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step-by-step explanation:

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1) 2/5

2) zero=0/1

3) zero=0/2

4) -4/5

5) undefined=3/0