Kuisssssss10y + y² = 45xbrp nilai X + y​

10y + y² = 45x

10y = 45x – y²

y = ( 45x – y² )/10

x = ( 10y + y² )/45

____________/

y + x

( 45x – y² )/10 + ( 10y + y² )/45

Semua dikalikan 450

45( 45x – y² ) + 10( 10y + y² )

2.025x – 45y² + 100y + 10y²

2.025x + 100y – 35y²

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