Question

answer it plzz fastly​

Answer 1

103 × 97 = (100+3) × (100-3) = 100² - 3² = 10000-9 = 9991

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Answer 2

Answer:

103 x 97

(100+3)(100-3)

using (x-a)(x-b)

${100}^{2} + ( - 3 + 3)100 + ( - 3 \times 3)$

9991