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geniusboy [140]
2 years ago
8

Pick a two-digit number greater than 25. Rewrite your two-digit number as a difference of two numbers. Show how to use the ident

ity below to square your number without using a calculator.
(x-y)^(2 )=x^(2 )-2xy+y^2
CHOOSE ONE value, A, B, or C to use for the following:
A) 47 B) 32 C) 53

Rewrite your 2-digit number as a difference of 2 numbers:
_________________________________

Use the identity above to square your number without using a calculator:
Mathematics
1 answer:
e-lub [12.9K]2 years ago
3 0

Answer:

Step-by-step explanation:

32²=(40-8)²

=40²-2(40)(8)+8²

=1600-640+64

=1664-640

=1024

also 32²=1024

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