104x105 using identity
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(100 + 4)(100 + 5)
(x + a) (x + b) = x² + (a + b)x + ab
100² + (4 + 5)100 + 4 × 5
10000 + 900 + 20
10920
Hope it helps you, hv a nyc day
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2
Step-by-step explanation:
in above is your answer
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