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I'm not sure with my answer.-45x squared,sorry kung mali kasi I'm not really good in math.
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Pwede mo po ba isend kung pano mo po yun nkuha?
kasi dba yung (3 + 2x)=5x
(3+2x)=5x then, (+0-3)=-3 then the multiply the answers.5x times -3=-15x.after that multiply it to 3x and it answer was 15x times 3x =-45xsquared because multiplying two x is equals to x squared.
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