Question

Add 3x2 + 9x – 2 and 5 – y – 2x2.

Answer 1

Answer:

3×2+9x-2 and 5-y-2×2

6+9x-2+5-y-4

6-2+5-4+9x-y

4+1+9x-y

5+9x-y

Answer 2

Answer:

5+9x-y

Step-by-step explanation:

(3*2+9x-2)+(5-y-2*2)

(3*2+9x-2)+(5-y-2*2)=6+9x-2+5-y-4

(3*2+9x-2)+(5-y-2*2)=6+9x-2+5-y-4=6-2+5-4+9x-y

=4+5-4+9x-y

=5+9x-y

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