Question

how to multiply roots √80 × 2√5​

Answer 1

Answer:

2×√5×√80

= 2√400. 20×20 = 400

= 2×20

=40 so √400 = 20

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

factors of 80

√40×2

√4×10×2

√4×5×2×2

=2×2√5

=4√5

now

4√5×2√5

=4×2×√5×√5

8×5

=40