You can put this solution on YOUR website! QUESTION
Given that (3x-a)(x-7)=3x3-32x2+81x-70,determine the value of a.
ANSWER:
First of all remove the brackets of the terms in the left side by multiplying term by term.
==> (3x-a)(x-7)= 3x * x - 3x*7 - a*x + a*7
= 3 x^2 - 21 x - ax + 7a
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