7x^3−16x+18- (<span>4x^3−6x^3+8x−9)
</span>7x^3−16x+18- 4x^3+6x^3-8x+9
9x^3-24x+27
Im not positive but i think she sold 26 of them and that would leave her with 14 left to sell.
C the property for this states that the order may change but the the answer will remain the same
