Question

14. If a + b = 15 and a2 - b2 = 60, what is the value of a - b?​

Answer 1

Answer:

a-b=4

Step-by-step explanation:

1. using a^2-b^2 = 60
2. (a+b) (a-b) =60
3. (15) (a-b) =60
4. a-b=60/15
5. a-b=4
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