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Question
Subtract the second polynomial from the first polynomial and find the degree of the resultant polynomial
p(x) = 7x2 + 6x – 1, q(x) = 6x – 9
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Solution
p(x) – q(x) = 7x2 + 6x – 1 – (6x – 9)
= 7x2 + 6x – 1 – 6x + 9
= 7x2 + 6x – 6x – 1 + 9
= 7x2 + 8
The degree of the polynomial is 2.
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