3 years ago

Use the zero property product to find the solutions to the equation x^2-9= 16

1 answer:

4 0

Subtract 16 to get
x^2 -25 = 0
Factor this as
(x -5)(x +5) = 0

The zero product property tells you the product will be zero when one of the factors is zero.

For x-5 = 0
x = 5

For x+5 = 0
x = -5

The appropriate choice is
3) x=-5 or x=5

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