n how many ways can the letters in the word PAYMENT be arranged using 4 letters? A. 42 B. 1260 C. 840 D. 2520
1 answer:
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Answer:
Step-by-step explanation:
<u><em>b).</em></u>
2x² - 9x - 5 = ( x - 5 )( 2x + 1 )
3x² - 15x = 3x ( x - 5 )
=