Question: Simplify the expression. 36×25


A ) ± 30
B ) ± 60
C ) 30 and 60
D ) None of the above

Steps to derive

1 36×25
 [Original expression.]

2 = 36 × 25
 [Since y ×z =y×z.]

3 = 900
 [Multiply under the radical.]

4 = ± 30
 [Find square root.]

5 The simplified expression is ± 30.



Hence the right answer is Option A

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