Question

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Answer 1

13. (4) -x² + 4x - 8

14. (3) a⁴ + 2a²b² + b⁴

Explanation:

Question 13

• x² + 3x - 2 - [2x² - x + 6]
• x² - 2x² + 3x + x - 2 - 6
• (4) -x² + 4x - 8

Question 14

• (a² + b²)²
• (a²)² + 2(a²)(b²) + (b²)²
• (3) a⁴ + 2a²b² + b⁴

Answer 2

#13

• x²+3x-2-(2x²-x+6)
• x²+3x-2-2x²+x-6
• -x²+4x-8

Option D

#14

• .(a²+b²)²
• (a²)²+(b²)²+2a²b²
• a⁴+2a²b²+b⁴