Verified Answer :

Easy, showing work,

using the method FOIL (First,Outer,Inner, Last)

Take, (x+3)(x+5) and multiply,

First,

xx=\(x^{2}\)

Outer,

x5=5x

Inner,

3x=3x

Last,

35=15

Add the terms together,

\(x^{2}\)+8x+15   (\(x^{2}\)+5x+3x+15)

Thus, your answer.

Alex200114

x²+15 x multiplied by x equals x² and 3 multiplied by 5 equals 15 and there's only a plus sign thus x² +15

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