Math, asked by srabonmd573, 3 months ago

9x^2+30x এর সাথে কত যোগ করলে যোগফল পূর্ণবর্গ হবে

Answers

Answered by taesha43

4

Answer:

9x2+30x =(3x)2+2.3x.5+(5)2-25

=(3x+5)2-25

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