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How do you simplify #sqrt18-sqrt50#?

Answer 1

Hazel Anglin

#sqrt18-sqrt50# #sqrt(2xx3xx3)-sqrt(2xx5xx5)# #3sqrt2-5sqrt2# #(3-5)sqrt2# #-2sqrt2#

That's it.

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Answer 2

Isaiah Anthony

To simplify sqrt18 - sqrt50, we can break down the square roots into their prime factors and simplify them separately.

sqrt18 = sqrt(2 * 3^2) = 3sqrt2 sqrt50 = sqrt(2 * 5^2) = 5sqrt2

Therefore, sqrt18 - sqrt50 simplifies to 3sqrt2 - 5sqrt2, which can be further simplified as -2sqrt2.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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