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murzikaleks [220]
3 years ago
11

What is the solution set for the quadratic equation x squared - 16 equals 0

Mathematics
2 answers:
insens350 [35]3 years ago
8 0
x^2-16=0 \\\\ (x-4)(x+4)=0 \\\\\\ \#1 \\\\ x+4=0 \\\\ \boxed{x=-4} \\\\ \#2 \\\\ x-4=0 \\\\ \boxed{x=4} \\\\\\ \boxed{\boxed{S=\{ -4;4 \}}}
LenaWriter [7]3 years ago
3 0
X is either 4 or -4 because it is the square root of 16
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