( 97 )^2 evaluate of the following by using identities
2 answers:
Answer:
9409
Step-by-step explanation:
Let's rewrite 97 as 100 - 3 .
Identity used :
<u><em>(a - b)² = a² - 2ab + b²</em></u>
Now, evaluating the expression :
⇒ (100 - 3)²
⇒ (100)² - 2(100)(3) + (3)²
⇒ 10000 - 600 + 9
⇒ 9400 + 9
⇒ 9409
<h2>Evaluate</h2>
( 97 )^2 evaluate of the following by using identities.
Evaluate Solution:
= 100 - 3² close parenthises. = (100)² - 2 (100)(3) + (3)² = 10,000 - 600 + 9 = 10,000 - 600 = 9400 = 9400 + 9 = 9409
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Step-by-step explanation:
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Answer:
If Sarah has three times as many pencils as Mike she has 3 times the number of pencils Mike has which is equivalent to 3 * m. That means Mike has m pencils and Sarah has 3m pencils. they have m + 3m pencils. The expression would be total: m + 3m.
Step-by-step explanation:
Answer:
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Step-by-step explanation:
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Combine like terms:
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