12-10-2020
Mathematics

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25 POINTS!!! simplify A=(1/2)(5x-2y)(4x+3y) please help and do step by step

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kaitlynlambert18 kaitlynlambert18

12-10-2020

Answer:

A= 10x^2 + 7/ 2 xy − 3y^2

Step-by-step explanation:

( 1/ 2) (5x−2y))(4x+3y)

= ( 1/ 2(5x−2y)) (4x+3y)

= ( 1/ 2 (5x−2y)) (4x) + ( 1/ 2 (5x−2y)) (3y)

= 10x^2 − 4xy + 15/ 2 xy − 3y^2

= 10x^2 + 7/ 2 xy − 3y^2

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