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= 2(x + 2)² - 3(x + 2) + 4
= 2(x² + 4x + 4) - 3x - 6 + 4
= 2x² + 5x + 6
= f(x+2)
= 2(x+2)²-3(x+2)+4
=2(x²+4x+4)-3x-6+4
=2x²+8x+8-3x-2
=2x²+5x+6