Answer:
1. (√12)² = 12
2. √18x • √32x
= √(576x²)
= 24x
3. (-2√8x)(3√2x)
= -6√(16x²)
= -6(4x)
= -24x
4. 5√15 • 7√6
= 35√90
= 35√(9•10)
= 35(3)√10
= 105√10
5. (-6√4)²
= 36(4)
= 144
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Answers & Comments
Answer:
1. (√12)² = 12
2. √18x • √32x
= √(576x²)
= 24x
3. (-2√8x)(3√2x)
= -6√(16x²)
= -6(4x)
= -24x
4. 5√15 • 7√6
= 35√90
= 35√(9•10)
= 35(3)√10
= 105√10
5. (-6√4)²
= 36(4)
= 144