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Mathematics, 28.01.2021 01:40 janessa0804
Which of the following equations are true? Select three that apply.
A (2x−1) (x2+4x+3)= 2x3+7x2+2x−3
B (4x2−3x+6)+(5x2−8)=9x2−3x−2
C (8x−4x2)+(2x2−5x)=−2x4+3x
D (4x2+4x−5)−(6x2−5x−3)=−2x2−x−8
E (3x3−5+2x)−(5x−6+x3)=2x3−3x+1
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Which of the following equations are true? Select three that apply.
A (2x−1) (x2+4x+3)= 2x3+7x2+2x−...
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