Asked by mary

2 times the sq rt of 5 + 3 times the sq rt of 7 ^2
Answered by Reiny
2√5 * 3√(7^2)
= 2√5 * 21
= 42√5
Answered by Henry
2*sqrt(5) + 3*sqrt(49) = 2*sqrt5 + 3*7 = (2*sqrt5) + 21.
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