P(x) = x2 – 1 and q(x)=5(x-1), which expression is equivalent to (p – q)(x)?
2 answers:
Answer: The required expression is 
Step-by-step explanation: We are given that

We are to find the expression that is equivalent to (p-q)(x).
We know that for any two functions f(x) and g(x), we have

Therefore we get

Thus, the required expression is 
P(x) - q(x) = x²-1 -5(x-1)
= x²-1-5x+5
=x²-5x+4
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