Math, asked by harikrishnapatel7188, 5 months ago

Find the value of x in the following Using Suitable identity: (Mention the identity)

7x = (42)^2 – (28)^2

Answers

Answered by mdkalid234

1

Step-by-step explanation:

7x= 1764 - 784

7x= 980

x = 980/7

x=140

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