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From the sum of 2×2 + 3xy – 5 and 7 + 2xy – x2 subtract 3xy + x2 – 2.

By Charlotte

From the sum of 2×2 + 3xy – 5 and 7 + 2xy – x2 subtract 3xy + x2 – 2.

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Charlotte

The cost of two pizzas is Rs. 198. Find the cost of 15 pizzas. ​


[tex](10.5 \times 10.5) + (15 \times 10.5) + 7.5 \times 7.5 \div 10.5 + 7.5[/tex]
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