Answer:
Iron
Step-by-step explanation:
Just learned about this
Answer:
-2
Step-by-step explanation:
(-5) + (+3)
= -5+3
= -2
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Answer:
( 5x + 1 ) ( x - 4 )
Step-by-step explanation:
5x² - 19x - 4
= 5x² + x - 20x - 4
= x ( 5x + 1 ) - 4 ( 5x + 1 )
= ( 5x + 1 ) ( x - 4 )
Hence, factorized.
