Question

Use an expansion formula to find the values.
1) (98)²​

Answer 1

Answer:

(98)^2

= (100-2)^2

= (100)^2 + (2)^2 - 2(100)(2)

= 10000 + 4 - 400

= 9604

Here is your answer

Answer 2

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explanation:

(100-2)^2

100^2+2^2-2×100×2

10000+4-400

=9604

thank u