(3x+5) is a factor of the polynomial (a-1)x^3+(a+1)x^2 -(2a+1)X -15. Find the value of 'a' ,factorise the given polynomial completely.
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Answer:
Value of 'a' = 4
Zeroes of the quadratic polynomial,
x = -5/3, -3, 3
Step-by-step explanation:
refer to the attachment
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