5x(2x²-3x+4)=?

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5x(2x²-3x+4)=?5x(2x²-3x+4)=?5x(2x²-3x+4)=?5x(2x²-3x+4)=5x2x²-5×3x+5×4=10x&#

5x(2x²-3x+4)=?
5x(2x²-3x+4)=?

5x(2x²-3x+4)=?
5x(2x²-3x+4)
=5x2x²-5×3x+5×4
=10x²-15x+20