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What is the coefficient of x in (x^3 + x^2 + x + 1)(x^4 + 3x^3 + 4x^2 + 8x + 7)?

 Mar 21, 2024
 #1
avatar+60 
+3

simplifies to

x7+4x6+8x5+16x4+22x3+19x2+15x+7

 

and the coefficient will be 15

 Mar 21, 2024

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