Please solve this equations

Question

3m² + 5n

 

M= -4

N= -13

Answer 1

Jenny, you just have an EXPRESSION, and two values (should not be capitalized).

 

Substitute those numbers in the expression, and you will have EVALUATED the expression.

 

There is no EQUATION to solve!  Remember, the square of m will be positive 16.

Answer 2

3m2 + 5n
 
M= -4
N= -13

 

/////////////////////////////////////////

3m² + 5n

 

3*(-4)(-4) + 5*(-13)

 

48 - 65 = -17