3 years ago

X^2-16=? Khan avademy

Mathematics

2 answers:

san4es73 [151]3 years ago

6 0

Depends on what the X is

Margaret [11]3 years ago

3 0

X^2-16=0
x^2=16
square root of x^2 = x
square root of 16=4
x=4

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