State whether the following is rational or irrational?
(5 + 15) (5 – 15)​

1 thought on “State whether the following is rational or irrational? <br />(5 + 15) (5 – 15)​”

1. Answer:

   Given number is rational.

   Step-by-step explanation:

   5+15=20 is rational.

   5-15= -10 is rational.

   So, (5+15)(5-15)=20(-10) = – 200 is rational.

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