2a²-19a-21, Factorize the given equation.
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Answer:
2a² - 19a - 21 = (a-1)(2a-21)
Step-by-step explanation:
2a² - 19a - 21
Splitting the middle term, we get
= 2a² + 2a - 21a - 21
= 2a( a - 1 )- 21( a - 1 )
= ( a - 1 )( 2a - 21 )
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