Solve the following equations in non-negative integers. 1. x2 - y2 = 221 2. a +...

Solve the following equations in non-negative integers.

1. x² - y² = 221

2. a + b = ab

3. gcd(a,b)lcm(a,b) = b + 9

4. x⁴ + 2x³ - y²(1+2x) + x²(1-y²) = 2299

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Colby Messinger answered 2 years ago

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