01-01-2021
Mathematics

contestada

Explain it too and what specific polynomial subject.

Explain it too and what specific polynomial subject class=

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jimrgrant1 jimrgrant1

01-01-2021

Answer:

C

Step-by-step explanation:

Expand the factors and compare the coefficients of like terms.

Given

(mx + 2)(3x - 5) ← expand using FOIL

= 3mx² - 5mx + 6x - 10

Compare to 12x² - 14x - 10

For the 2 to be equal, then the coefficients of like terms must be equal.

Compare coefficients of x² terms

3m = 12 ( divide both sides by 3 )

m = 4 → C

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