Question 4

Hi Emma.

Use the FOIL method to square the binomial expression 2x^(5/2) - x(1/2).

That is, multiply out:

(2x5/2 - x1/2) times (2x5/2 - x1/2)

After you've expanded the left-hand side of the given equation, multiply out the right-hand side. That is, use the Distributive Property to multiply:

x times (1 + 4x^4)

Please show us the work you're able to do, and we'll go from there.

If you're not sure what FOIL is, then google it. Do the same for the Distributive Property, if you need to.

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