solve 28 multiplied by 32 using appropriate identity
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Answered by
3
28×32
28=30-2
32=30+2
=(30-2)(30+2)
(a+b)(a-b)=a^2-b^2
=30^2-2^2
=900-4
=896
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Answered by
0
Answer:
896
Step-by-step explanation:
28×32
=(30-2)(30+2)
(a+b)(a-b)=a^2-b^2
=30^2-2^2
=900-4
=896
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