Expand the following:
$(-x+2 y-3 z)^{2}$
Expand the following:
$(-x+2 y-3 z)^{2}$
$(-x+2 y-3 z)^{2}=\{(-x)+2 y+(-3 z)\}^{2}$
$=(-x)^{2}+(2 y)^{2}+(-3 z)^{2}+2(-x)(2 y)+2(2 y)(-3 z)+2(-3 y z)(-x)$
Similar Questions
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Factorise :
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