please answer this question no7
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Given : x = - 2, y = - 1
Expression : 9x² - 3y³ - x²y²
Putting above values in the expression, we get
→ 9 (- 2)² - 3 (- 1)³ - (- 2)² (- 1)²
→ 9 (4) - 3 (- 1) - (4) (1)
→ 36 + 3 - 4
→ 39 - 4
→ 35
Hence, the answer is 35.
Expression : 9x² - 3y³ - x²y²
Putting above values in the expression, we get
→ 9 (- 2)² - 3 (- 1)³ - (- 2)² (- 1)²
→ 9 (4) - 3 (- 1) - (4) (1)
→ 36 + 3 - 4
→ 39 - 4
→ 35
Hence, the answer is 35.
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