12345ladgamer 12345ladgamer

26-02-2022
Mathematics

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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

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kaelynchen11 kaelynchen11

06-03-2022

Answer:

x=16

Step-by-step explanation:

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

x² + 2x + 1 = x² - 6x + 9 + 120

8x=128

x=16

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