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erica [24]
3 years ago
12

Factor and solve the equation

Mathematics
1 answer:
murzikaleks [220]3 years ago
8 0
y=4x^2-64=4(x^2-16)=4(x^2-4^2)=4(x-4)(x+4)\\\\-------------------------------\\\\4(x-4)(x+4)=0\iff x-4=0\ or\ x+4=0\\\\x=4\ or\ x=-4
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