Question

plz solve the sums plz plz​

Answer 1

Answer:

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Answer 2

Answer:

13.) (3q+1)³= (3q)³+1³+3×(3q)²×1+3×3q×1²

                 = 27q³+1+3×9q²×1+3×3q×1

                 = 27q³+1+27q²+9q

                 = 27q³+27q²+9q+1

14.) (3m)³ = 3×3×3×m×m×m

                = 27m³

15.) (3q+2)² = (3q)²+2×3q×2+(2)²

                   = 9q²+12q+4

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Step-by-step explanation: