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Question 19 of 25What is the factorization of the polynomial below?2-3x-40-A. (x+8)(x+5)B. (x-8)(x+5)C. (x-8)(x-5)D. (x+8)(x - 5)← PREVIOUSSUBMIT

Question 19 Of 25What Is The Factorization Of The Polynomial Below23x40A X8x5B X8x5C X8x5D X8x 5 PREVIOUSSUBMIT class=

Answer :

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SOLUTION

[tex]x^2-3x-40[/tex]

Get two numbers whose sum and product are -3 and -40 respectively;

[tex]The\text{ numbers are -8 and 5}[/tex]

To factorize;

[tex]\begin{gathered} x^2-8x+5x-40 \\ x(x-8)+5(x-8) \\ (x+5)(x-8) \end{gathered}[/tex]

OPTION B IS THE CORRECT ANSWER.

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