2.

6. Subtract 7×2 + 2x – 1 from x3 – x2 + 2x -1.

(a) 7x² + x3 – x

(b) x + 7x² + 2x-1

(c) x² – 8x²

(d) None of these

# 2.

### 2 thoughts on “2.<br />6. Subtract 7×2 + 2x – 1 from x3 – x2 + 2x -1.<br />(a) 7x² + x3 – x<br />(b) x + 7x² + 2x-1<br />(c) x² – 8x²<br />(d) No”

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Answer:6) 7x²+2x-1

x³-x²+2x-1

(x³-x²+2x-1)-(7x²+2x-1)

## x³-8x²

## option c is the correct answer

Answer:(7×2+2x-1)-(x3-x2+2x-1)

7×2+2x-1-x3+x2-2x+1

-x3+8×2…this is final answer…so

option d..is right