Question

706²...plz answer this sum with full steps and identies this is an algebra sum......plz don't spam

Answer 1

Answer:

$identity - {(a + b)}^{2} = {(a)}^{2} + {(b)}^{2} + 2ab \\ a = 700 \: b = 6 \\ {(700 + 6)}^{2} = {(700)}^{2} + {(6)}^{2} + 2 \times 700 \times 6 \\ = 490000 + 36 + 8400 \\ = 498436$