Math, asked by aman792497, 11 months ago

factorise and find the values of the following x2-4y2,when x=1,y=2

Answers

Answered by ironman1791

1

Answer:

-14

Step-by-step explanation:

X = 1

y = 2

X 2 - 4 y 2

1 * 2 - 4 * 2 * 2

2 - 16

- 14

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