Question

3. The expression to be added to 3x2 - 5x + 1 to get 5x2 + 2x - 2 is

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Answer 1

Step-by-step explanation:

Ans = 5x2 + 2x - 2 - ( 3x2 - 5x +1)

= 5x2 + 2x - 2 - 3x2 + 5x - 1

= 2x2 + 7x - 3

Answer 2

6-5x+1

5=5x

x=1

10+2x-2

12=2x

x=6