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33 votes
33 votes
for what value of x is the square of the binomial x+1 one hundred and twenty greater than the square of the binomial x-3

User Taylor King
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1 Answer

26 votes
26 votes

Answer:

x=16

Explanation:

(x+1)^2=(x-3)^2+120

x² + 2x + 1 = x² - 6x + 9 + 120

8x=128

x=16

User Lei Liu
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2.9k points