What is the binomial expansion of (x + 2)4?
1 answer:
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Answer:
v = ± 5
Step-by-step explanation:
given 5v² - 125 = 0 ( add 125 to both sides )
5v² = 125 ( divide both sides by 5 )
v² = 25 ( take the square root of both sides )
v = ± = ± 5