roseemilyarch roseemilyarch

24-08-2017
Mathematics

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CAN SOMEONE ANSWER THIS BUT ADD THE WRITTEN WORK SORRY FOR POSTING TWICE

CAN SOMEONE ANSWER THIS BUT ADD THE WRITTEN WORK SORRY FOR POSTING TWICE class=

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Banabanana Banabanana

24-08-2017

(xy)² - x + y
= (2*4)² - 2 + 4
= 8² + 2
= 64 + 2
= 66

(9x - 3y)²
= (9*2 - 3*4)²
= (18 - 12)²
= 6²
= 36

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