I need help solving this radical equation with box or foil method

Step-by-step explanation:

Using the FOIL method:

Simplify the expression by squaring:

Now we can use the Foil method:

First, Outside, Inside, Last

Multiply the first terms within each grouping:

Insert as the first term:

Now multiply the outside terms in each grouping:

Insert as the next term:

Now multiply the inside terms:

Insert as the third term:

Now multiply the last terms in the grouping:

Insert as the last term:

Simplify by combining like terms:

:Done

gdp is the best phrase!

c is the answer

step-by-step explanation: