The equation
24x2+25x−47
ax−2
=−8x−3−
53
ax−2
is true for all values of x≠
2
a
, where a is a constant.
What is the value of a?
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Answered by
18
Answer:
it is true that (−8x − 3)(ax − 2) − 53 = 24x2 +25x −47. (This can be seen by multiplying each side of the given equation by ax − 2). This can be rewritten as −8ax2+ 16x − 3ax = 24x2+ 25x − 47.
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Given,
24x²+25x−47 = −8x−3− 53
ax−2 ax−2
⇒ 24x²+25x−47
ax−2
= (−8x−3)(ax−2)−53
ax−2
⇒24x²+25x−47=(−8x−3)(ax−2)−53
⇒24x²+25x−47=−8ax²+16x−3ax+6−53
⇒24x²+25x−47=−8ax²+16x−3ax−47
⇒24x²+25x=−8ax²+(16−3a)x
⇒24=−8a
⇒a=−3
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