Question

multiply (b) 6√5 and 2√5​

Answer 1

QUESTION:

multiply (b) 6√5 and 2√5

ANSWER:

We multiply the like terms;

$6 \sqrt{5} \times 2 \sqrt{5}$

$6 \times 2 \times \sqrt{5} \times \sqrt{5}$

$12 \sqrt{25}$

we know that;

$\sqrt{25} = \sqrt{5 \times 5} = 5$

so,

$12 \sqrt{25} \\ 12 \times 5 \\ 60$

FINAL ANSWER;

$\huge\red{60}$

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