Math, asked by sadafaize14, 10 months ago

using suitable identity find (7x-3y)square

Answers

Answered by lathamani39

0

Step-by-step explanation:

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

Answered by judhisthirbedasasan

2

Step-by-step explanation:

(7x)^2-2×7x×3y+(3y)^2

49x^2-42xy+9y^2

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