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21-09-2021
Mathematics

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7(x+y)^2-4(x+y)-3
please someone tell the answer by step by step

Respuesta :

Karmars Karmars

21-09-2021

Answer:

7(x+y)^2-4(x+y)-3 = 7x^2+7*2xy+7y^2-4x-4y-3 = 7x^2 + 14xy + 7y^2 - 4x - 4y -3

Step-by-step explanations

use the equality constant and multiply the distribution

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