SOLUTION: Find each product? (x + 7)(x + 3) I got this far: x^2 + 21 Am I finished or is there more to it?

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Question 18026: Find each product?
(x + 7)(x + 3)
I got this far: x^2 + 21 Am I finished or is there more to it?

Answer by tennis_math(7)   (Show Source): You can put this solution on YOUR website!
(x+7)(x+3) is a quadratic factored
you need to use the foil method
F-Firsts (x times x)
O-Outsides (x times 3)
I-Insides (7 times x)
L-Lasts (7 times 3)
x times x is
x times 3 is 3x
7 times x is 7x
7 times 3 is 21
Now, you have to add them up, you get:

after combining like terms, you get: