If A = (9x 3 − 7x 2 − 5), B = (−2x 3 + 4x 2 + 1) and C = (6x 3– 5) find A + B – C.
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Given
A= 27-14-5=8
B= -6+8+1= 3
C= 18-5=13
Therefore,
A+B-C= 8+3-13 = -2 Ans.
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