Step-by-step explanation:
1st expression = 3a - 6 = 3 ( a - 2 )
2nd expression = a² - 4 = a² - 2² = ( a + 2) (a - 2)
The HCF is (a -2).
Hope it helps :)❤
Answer:
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Step-by-step explanation:
Hello,
adding 45 and 23, with these 2 datas, the range is already >=22.(45-23)
The new range cannot be 21
Answer A

Multiply 4 from both sides

Simplify