Answer:
Apply the distributive property.
2x3+4−−x2−(3x)2x3+4--x2-(3x)
Multiply −−x2--x2.
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Multiply −1-1 by −1-1.
2x3+4+1x2−(3x)2x3+4+1x2-(3x)
Multiply x2x2 by 11.
2x3+4+x2−(3x)2x3+4+x2-(3x)
Multiply 33 by −1-1.
2x3+4+x2−3x2x3+4+x2-3x
Move 44.
2x3+x2−3x+4
