karatehorse11 karatehorse11

03-03-2020
Mathematics

contestada

Solve for x. x^2−9=16

Respuesta :

destinymagana650 destinymagana650

03-03-2020

Answer:

x=5 or x=-5

Step-by-step explanation:

either one of those

x2−9=16

Step 1: Add 9 to both sides.

x2−9+9=16+9

x2=25

Step 2: Take square root.

x=±25

x=5 or x=−5

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