Question

3. Subtract:
(i) 7x3 – 3x2 + 2 from x2 – 5x + 2
(ii) 3y - 5y2 + 7 + 3y3 from 2y2 – 5+11y - y3​

Answer 1

Answer:

$x2 - 5x + 2 - (7x3 - 3x2 + 2)$

3x+2-(15x+2)

3x+2-15x-2

-12x

$2y2 - 5 + 11y - y3 - (3y - 5y2 + 7 + 3y3)$

12y-5-(2y+7)

12y-5-2y-7

10y-12

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