Question

. a) (3 + x). (3 - x) =
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Answer 1

$\large\boxed{\boxed{\boxed{{ol\'a}}}}}$

$A) \:(3+x)×(3-x)$

$6-3x+3x-x^2$

$x^2-3x+3x=-6$

$x^2=-6$

$x=+\sqrt{-6}$

Sol: { ∅ }