Question

Evaluate the expression for n = –4 and p = –5.

np + p =

Answer 1

To evaluate the expression \( np + p \) for \( n = -4 \) and \( p = -5 \), we can substitute the values of \( n \) and \( p \) into the expression.

1. Substitute \( n = -4 \) and \( p = -5 \):

\[
np + p = (-4)(-5) + (-5)
\]

2. Calculate \( (-4)(-5) \):

\[
(-4)(-5) = 20
\]

3. Now substitute this back into the equation:

\[
20 + (-5) = 20 - 5 = 15
\]

Thus, the value of the expression \( np + p \) is \( \boxed{15} \).