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Q.1. Simplify (3x + 2y)2 + (3x – 2y)2
Q.2. Simplify (3x + 2y)2 – (3x – 2y)2
Q.3. Simplify 
Q.4. Simplify 
Q.5. Simplify (1.5p + 1.2q)2 – (1.5p – 1.2q)2
Q.6. Simplify (2.5m + 1.5q)2 + (2.5m – 1.5q)2
Q.7. Simplify (x2 – 4) + (x2 + 4) + 16
Q.8. Simplify (ab – c)2 + 2abc
Q.9. Simplify (a – b) (a2 + b2 + ab) – (a + b) (a2 + b2 – ab)
Q.10. Simplify (b2 – 49) (b + 7) + 343