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24-06-2021
Mathematics

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Find x in the image below. Simplify any radicals.

Find x in the image below Simplify any radicals class=

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24-06-2021

Answer:

10

Step-by-step explanation:

x(x+80) = 30²

x²+80x=900

x²+80x-900=0

(x+90)(x-10) = 0

x= -90 or x= 10

x = 10 is the answer

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