Question

Is (a + b + c) factor of
$a { }^{2} + b {}^{2} - c {}^{2} + 2ab$
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Answer 1

✔✔✔✔✔✔✔✔YES IT IS.......

♡♥PLS MARK AS BRAINLIST

Answer 2

Answer:

no the formula is ( a+b+c)^2 = a^2 + b^2 + c^2 +2( ab+bc+ca)