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sweet [91]
3 years ago
14

How do you solve the equation by factoring or square roots Ex: x^2-4x=0

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
3 0
x^2-4x=0\\
x(x-4)=0\\
x=0 \vee x=4

-------------------------------------------------

3x^2=48\\
x^2=16\\
x=-4 \vee x=4\\\\
\hbox{or}\\\\
3x^2-48=0\\
3(x^2-16)=0\\
3(x-4)(x+4)=0\\
x=4 \vee x=-4
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