Question 10: The result of the calculation (x−5)(x+3) is:

08/01/2022 // by admin// Leave a Comment

Question 10: The result of the calculation (x−5)(x+3) is:

A. \( x^2−15\)

B. \( x^2+2x−15\)

C. \( x^2−7x−15\)

D. \( x^2−2x−15\)

We have:

\((x−5)(x+3)=x.x+3.x−5.x−5.3=x^2−2x−15\)

So choose EASY \(x^2−2x−15 \)

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