Write sqrt(75) in simplified surd form.
First you want to find a square number that is a factor of 75. In this case it is 25, as 25 x 3 = 75 . With this information you can expand the surd into:sqrt(25) x sqrt(3)
As 5^2 = 25, this can become:5 x sqrt(3) or 5sqrt(3)
KG
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All answers ▸Rearrange y = (3x+5)/x to make x the subject
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