Question

Consider this expression. [m2 - 7] + n2 When m -2 and n = 5, the value of the expression is?

Answer 1

we have

(m^2-7)+n^2

Evaluate the expression when

m=-2 and n=5

substitute the value of m and n in the expression

(-2^2-7)+5^2

(4-7)+25

-3+25

22