Answered

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

Sagot :

mathdragon
x is either 4 or -4 because it is the square root of 16
mariamikayla
[tex]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 \}}}[/tex]
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