→( x-2 )( x+2 )
x²-2²
x²-4
→( 3x+2 )( 3x-2 )
(3x)²- 2 ²
9x²-4
→( 7a+b )( 7a-b )
(7a)²-b²
49a²-b²
→( 7a²+2b³ )( 7a²-2b³ )
( 7a²) - (2b³)²
49a² - 4b⁶
→( a+3 )( a-3)
a²-3²
a²-9
espero te ayude saludos!!!
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→( x-2 )( x+2 )
x²-2²
x²-4
→( 3x+2 )( 3x-2 )
(3x)²- 2 ²
9x²-4
→( 7a+b )( 7a-b )
(7a)²-b²
49a²-b²
→( 7a²+2b³ )( 7a²-2b³ )
( 7a²) - (2b³)²
49a² - 4b⁶
→( a+3 )( a-3)
a²-3²
a²-9
espero te ayude saludos!!!