Find the product

(x+5)(5x+25)

1 answer

You can either use FOIL or the distributive property directly. I tend to use the distributive property directly.
x(5x+25) = 5 x^2 + 25 x
5(5x+25) = 25 x + 125
--------------------------
sum = 5 x^2 + 50 x + 125
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