Answer:
answer 1213
Step-by-step explanation:
hope it helps
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let xy = a
let zw = b
(xy +zw) (xy-zw) = (a+b) (a-b)
= a² - b²
= (xy)² - (zw)²
= x² y² - z² w²
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Answers & Comments
Answer:
answer 1213
Step-by-step explanation:
hope it helps
mark me as a brainlist
Answer:
Step-by-step explanation:
let xy = a
let zw = b
(xy +zw) (xy-zw) = (a+b) (a-b)
= a² - b²
= (xy)² - (zw)²
= x² y² - z² w²