Answer:
it is -x^3 + 7x^2 -2x if you meant subtract 2x^3 - 4x^2 But if you meant subtract. 2x^3 - 4x +2 then the answer is -x^3 +3x^2 +2x -2
Step-by-step explanation:
<span>1.023×<span>10<span>−3</span></span></span>
<span>kg
</span>
An incorrect result would be <span><span>1.023×<span>103</span>=1023 kg</span>
</span><span>
</span>
Ans: x=1.590667 or x= -1.257334
13/7 does I hope I could help