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T

thanhcong1594

$B$.
drivermath

\Leftrightarrow
drivermath

\Leftrightarrow
drivermath

$C$ .
drivermath

drivermath

drivermath
 
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T

transformers123

a/ $3-16x^2 $

$=(\sqrt{3}-4x)(\sqrt{3}+4x)$

d/ $x^3-y^4$

$=(x\sqrt{x}-y^2)(x\sqrt{x}+y^2)$
 
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