Question

2p³-q³+1. p=-2 and q=2​

Answer 1

Answer:

We will get the value is -23.

Step-by-step explanation:

• We have to evaluate the above expression by using the given data.

        Given data:- $p=-2,q=2.$

        To find:- $2p^3-q^{3}+1.$

       Solution:-

• To solve the above equation we will follow the BODMAS rule.

• BODMAS is an order of mathematic operations.

• BODMAS rule is to be followed while solving expressions in mathematics. It stands for,

          B= bracket

           O= order of power or rules

           D= division

           M= multiplication

           A= addition

           S= subtraction

   Now put the value p and q in the given equation we get,

    $2p^3-q^{3}+1\\=2(-2)^3-(2)^{3}+1\\=2(-8)-8+1\\=-16-8+1\\=-16-7\\=-23$

Answer 2

Answer:

value of given expression, $2p^{3} - q^{3} + 1$ is $-23$ .

Step-by-step explanation:

To find : value of given expression, $2p^{3} - q^{3} + 1$

Given : $p = -2$ and $q = 2$  

• Solution : According to question we have find the value of given expression $2p^{3} - q^{3} + 1$  by substituting the given value of $p$ and $q$ .
• Therefore on substituting the values we get ,
• $2p^{3} - q^{3} + 1$  

       $= 2 (-2)^{3} - (2)^{3} + 1 \\ = 2\times (-8) - 8 +1 \\= -16 -8+1 \\= - 24 + 1 \\= -23$  

Note : Given question is incomplete most probably it must be as , find the value of  expression , $2p^{3} - q^{3} + 1$ for $p = -2$ and $q = 2$   .