Given 2x2
= (3x2 - 2x) + (3x +7)
=3x2 - 2x + 3x + 7
= (3x2 + x + 7)
Now, required expression = 2x2 - 3x + 1+ (3x2+ x + 7)
= 2x2 + 3x2 - 3x + x + 1 + 7
= 5x2- 2x + 8
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