Express (root 19 - root 7)(root 19 + root 7) in simplest form.

asked Feb 26, 2022 111k views

2 votes

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3 votes

Answer:

Explanation:

(√19 -√7)(√19 +√7)

( a +b)( a -b) = a²-b²

(√19)² -(√7)² = 19 -7 = 12

Steward answered Feb 28, 2022

3.9k points

1 vote

Answer

root 354

Explanation:

Tim Riffe answered Mar 2, 2022

4.3k points

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