What is the value of the expression when n = -3 ?

What would be the first step in simplifying this expression when n = -3?

n2 − 3 ( 2) +4n

a. 9; First step is 3(2)
b. 0; First step is (-3)^2
c. -48; First step is 4(-3)
d. -9; First step is (-3)²
e. 0; First step is 4(-3)
f. -48; First step is 3(2)

Respuesta :

The value of the expression is -9 and the first step in simplifying this expression when n = -3 is (-3)^2

What is the value of the expression when n = -3 ?

The expression is given as:

n^2 - 3(2) +4n

When n = -3, the expression becomes

(-3)^2 - 3(2) + 4(-3)

Evaluate the exponent and the product

9 - 6 - 12

Evaluate the difference

-9

Hence, the value of the expression is -9

What would be the first step in simplifying this expression when n = -3?

The first step in simplifying this expression when n = -3 is to evaluate the bracket

Hence, the first step in simplifying this expression when n = -3 is (-3)^2

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