Question

evaluate a )48 × 56 b)(107)2 _(93)2​

Answer 1

Answer:

(a) 48×56

(50 - 2)( 50 + 6)

(50)2 +(-2+6)×50 + 6×(-2)

2500+(4×50) -12

2500+200-12

2700-12

2688

(b) (107)2-(93)2

(107+93)(107-93)

200×14

2800

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