Question

find x2 +y2 if x-y=-14 and xy= 84​

Answer 1

Answer:

x - y = -14

xy = 84

(x - y)² = x² + y² - 2xy

(-14)² = x² + y² - 2*84

196 = x² + y² - 168

196 + 168 = x² + y²

364 = x² + y²

Step-by-step explanation:

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