Question

$2( {x}^{2} - 4) - 3$

me ajudem por favoooor
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Answer 1

$2(x^2~-~4)~-~3~=~2~.~x^2~-~2~.~4~-~3\\\\\\2(x^2~-~4)~-~3~=~2x^2~-~8~-~3\\\\\\\boxed{2(x^2~-~4)~-~3~=~2x^2-11}$