х
2. If person A can finish
1
part of the work in one day, the time taken by A to finish the whole
work is x days.
Answers
Answered by
1
Answer:
3(x
2
+7)
\longrightarrow (3 \times x^2 ) +(3 \times 7)⟶(3×x
2
)+(3×7)
\longrightarrow 3x^2 + 21⟶
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