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2. (3x+2).(2x+4) = 6x²+12x+4x+8 = 6x²+16x+8
3. (x-2).(x+7) = x²+7x-2x-14 = x²+5x-14
maaf kalo salah..
x^2+5x+5x+25
x^2+10x+25
2. (3x+2) (2x+4) =
6x^2+12x+4x+8
6x^2+16x+8
3. (x-2) (x+7) =
x^2+7x-2x-14
x^2+5x-14