love1335 love1335

11-12-2018
Mathematics

contestada

group factor 7x^2+21xy-4xy-12y^2

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jimrgrant1 jimrgrant1

11-12-2018

Answer:

(x + 3y)(7x - 4y)

Step-by-step explanation:

Factor by grouping the first/ second terms and third/ fourth terms

= 7x(x + 3y) - 4y(x + 3y)

take out the common factor (x + 3y)

= (x + 3y)(7x - 4y)

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