find zeros of the following by factoring y=x²-16
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Answer :
x= -4, x= 4
Step-by-step explanation:
As per property
a²-b²=(a+b)(a-b)
Expressing the given equation in the same manner
x²-16=x²-4²
x²-4²= (x+4)(x-4)
Now we equate the factors to zero to obtain the solution
x+4=0, x= -4
x-4=0, x=4
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