Mathematics: Justify each step of the proof. Conjecture: If 2(x^2+5) = 60, then x is 5 or -5

Justify each step of the proof. Conjecture: If

Ответ:

NotYourStudent

19.01.2022

X is 5 and negative 5.
2(x^2+5)=60
Divide both sides by 2
X^2+5=30
Subtract 5 on both sides
X^2=25
The square route of 25 is 5 or -5.

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Ответ:

MayFlowers

08.12.2020

Mathematics

Step-by-step explanation:

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Justify each step of the proof.
Conjecture: If 2(x^2+5) = 60, then x is 5 or -5

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