Question

( {x}^{3} + {x}^{2} + x + 1) - (7 {x}^{3} - {x}^{5} + 23 {x}^{1} + 71)
$( {x}^{3} + {x}^{2} + x + 1) - (7 {x}^{3} - {x}^{5} + 23 {x}^{1} + 71)$
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Answer 1

Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.

Answer 2

Step-by-step explanation:

According to the question,

The cost of 1 liter petrol =Rs.72.65

So,

The cost of 15.5 liters petrol =Rs.72.65×15.5=Rs. 1126.075

Hence, this is the answer.