fast as possible..full step needed plzzz guys plzz
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Step-by-step explanation:
(b) 95 × 103
= (100 - 5) (100 + 3)
Identity (x +a) (x +b) = x² + (a+b)x + ab
= x = 100 , a = -5 , b = 3
- (100 - 5) (100 + 3) = (100)² + ( -5 + 3)100 + -5 × 3
- = 10000 + (-2)100 - 15
- = 10000 - 200 - 15
- = 10000 - 215
- = 9875
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