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14.10.2019 •
Mathematics
What is the positive solution of x square minus 36 equals 5x
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Ответ:
⇒x=9 (positive solution)
Explanation:x2−36=5x
→x2−36−5x=0
Factor the expression:
We get:
(x−9)(x+4)=0
First solution:
⇒(x−9)=0x+4
⇒(x−9)=0
⇒x=9
Ответ: