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Show that (X+1)(x+3)(x+5)=ax3+bx2+cx+d
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Show that (X+1)(x+3)(x+5)=ax3+bx2+cx+d

User Bdrelling
by
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1 Answer

1 vote

Answer:

a = 1

b = 9

c = 23

d = 15

Explanation:

Expand it out:

(x^2 + 4x + 3)(x+5)

(x^3 +4x^2 +3x + 5x^2 + 20x + 15)

=x^3 + 9x^2 + 23x +15

User Richflow
by
3.9k points
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