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15-09-2022
Mathematics

contestada

How can I solve this?
x²+4= 53

Respuesta :

15-09-2022

Answer:

x=7 or x=−7

Step-by-step explanation:

step 1: Subtract 4 from both sides.

x2+4−4=53−4

x2=49

Step 2: Take square root.

x=±√49

x=7 or x=−7

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