Which expression is equivalent to 7h^2-252k^2?
2 answers:
Answer:
cccccccccccccccc
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
252 = 7 *36
36 = 6 *6 = 6²
a² -b² = (a + b)(a - b)
7h² - 252k² = 7(h² - 36k²)
= 7(h² - [6k]² )
= 7(h +6k)(h - 6k)
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Answer:
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Step-by-step explanation:
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