Equivalent expressions

Medium Math · Advanced Math · Equivalent expressions · MCQ

If $x squared equals, a, plus b$ and $y squared equals, a, plus c$ , which of the following is equal to $open parenthesis, x squared, minus y squared, close parenthesis, squared$ ?

A
$a, squared, minus 2 a, c, plus c squared$
B
$b squared, minus 2 b c, plus c squared$
C
$4, a, squared, minus 4 a, b c, plus c squared$
D
$4 a, squared, minus 2 a, b c, plus b squared c squared$

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id cb_question_bank:3b7745f4-1277-4f2f-9d6c-8dcd82c8d59d · question a255ae72 · IBN 07749-DC · JSON