jacksonls2004 jacksonls2004

03-08-2021
Mathematics

contestada

Which of the binomials below is a factor of this trinomial? x² + 2x - 63 O A.X-3 OB. X+3 O C. X-9 O D. X + 9

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wegnerkolmp2741o wegnerkolmp2741o

03-08-2021

Answer:

D. X + 9

Step-by-step explanation:

x² + 2x - 63

What 2 numbers multiply to -63 and add to 2

9 * -7 = -63

9+-7 = 2

(x+9)(x-7)

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