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ANTONII [103]
3 years ago
9

Factor 81x²-25. Remember there is no middle term. This is a sum and difference of 2 squares.

Mathematics
1 answer:
natulia [17]3 years ago
5 0

Hey there!!

Basic formula :

... a² - b² = ( a + b ) ( a - b )

Equation given :

... 81x² - 25

... ( 9x )² - ( 5 )²

... ( 9x + 5 ) ( 9x - 5 )

Hope it helps!!

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