#### Express (4\sqrt{5}-1)(\sqrt{5}+3) in the form of p+q\sqrt{5}, where p and q are integers

Anonymous

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Anonymous

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Ramanath Parimi

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Apply the distributive property

Apply the multiplication property of square roots.

Note : sqrt{ab} = sqrt{a}*sqrt{b}

Combine the terms

Simplify the terms

Find the unknowns by comparing the given answer to the result

Note: We can compare only like terms so make sure the result must be in the form of the given answer