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Algebra
Pregunta

5. Which of the following is not a correct way to ...

5. Which of the following is not a correct way to fact the binomial \( 30 x ^ { 2 } + 42 x \) ? 

(1) \( 2 ( 15 x ^ { 2 } + 21 x ) \) (3) \( x ( 30 x + 42 ) \) 

(2) \( 3 x ( 10 x + 42 ) \) (4) \( 6 x ( 5 x + 7 )\) 

Answer

 Option (2) is not correct

Solución
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