Math, asked by jaswanth8389, 9 months ago

Find the square of 18 without actual multiplication

Answers

Answered by poorvibhatt27

2

Answer:

324

Step-by-step explanation:

18^2=(20-2)^2

(a-b)^2=a^2+b^2-2ab

20^2+4^2-2x20x4

400+8-80

324

pls mark as brainliest

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