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# pure maths Watch

1. Find the value of A,B,C.
3x^3-16x-1= Ax(x-1)(x+2)+B(x-1)^2+C(4x^2+3)
Please show work how to solve.

Thank-you.
Richard.
2. (Original post by richardkwilson)
Find the value of A,B,C.
3x^3-16x-1= Ax(x-1)(x+2)+B(x-1)^2+C(4x^2+3)
Please show work how to solve.

Thank-you.
Richard.
Plug in useful values for x and/or equate coefficients.
3. (Original post by usycool1)
Plug in useful values for x and/or equate coefficients.
Sorry the sign is not = it should be identical to or congruent to.
4. A=3
B=5
C=-2

lovely question, really enjoyable, shame that you can't be bothered to try it for yourself
5. (Original post by pryngles)
A=3
B=5
C=-2

lovely question, really enjoyable, shame that you can't be bothered to try it for yourself
Regards Richard.

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