13. What is the numerical coefficient of (3x)(-2x3)?
14. The number of terms in the expression 23x4 + 2x3-3x2 +11
15. Find the value of 4-3x + x2 if x=7
14. The number of terms in the expression 23x4 + 2x3-3x2 +11
15. Find the value of 4-3x + x2 if x=7
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13.(3x)(-2x3)
(3x) x (-6)
-3•X6
= -18x
14.23x4 + 2x3-3x2 +11
22x4+11
88 + 11
= 99
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