→ Use binomial theorem (a + b)² = a² + 2ab + b² to expand (x + 6)
→ Use the distributive property to multiply x + y + 4 by 2.
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Answers & Comments
1. x² + 12x + 36
→ Use binomial theorem (a + b)² = a² + 2ab + b² to expand (x + 6)
2. 9a²b² – 3ab + 25
3. 2x + 2y + 8
→ Use the distributive property to multiply x + y + 4 by 2.