loetscheralana loetscheralana

12-11-2020
Mathematics

contestada

x^2 − 15 = 1 please help

Respuesta :

leobrianjaramillo leobrianjaramillo

12-11-2020

Answer:

x^2-15=1

x^2=16

4 x 4 = 16

THerefore...

x=4

Depending on how many choices there are -4 is also correct.

Any number squared is a positive.

x=4, x=-4

Step-by-step explanation:

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