3xsquare +3x 9xsquare +9x
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Answer:
3x²+3x+9x²+9x= 3x(x+1)+9x(x+1)
= (x+1)(3x+9x)
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3x^2 + 3x9 x^2+9 x = 3x(x+1) + 9x(x+1)
= (x+1)(3x+9x)
=3x^2+9x^2+3x+9x
=12x^2+12x
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