hidah1998 hidah1998

09-04-2021
Mathematics

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expand expression (3x-7)(2x+7), without using long multiplication find 53×47

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thebecks thebecks

09-04-2021

Answer:

6x² + 7x - 49

53×47 = 2491

Step-by-step explanation:

(3x-7)(2x+7)

6x² + 21x - 14x - 49

combine like terms:

6x² + 7x - 49

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