Question

Q: What is the product of (a-5) and (a+3)? ​

Answer 1

It would be a²+3a-5a-15

Answer 2

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Let's solve for a :

• $(a - 5) \times (a + 3)$

• $(a \times a) + (a \times 3) + ( - 5 \times a) + ( - 5 \times 3)$

• ${a}^{2} + 3a - 5a - 15$