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

User Kalefranz
by
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1 Answer

2 votes

Answer:

6x² + 7x - 49

53×47 = 2491

Explanation:

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

6x² + 21x - 14x - 49

combine like terms:

6x² + 7x - 49

User Kummo
by
7.1k points
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