Question

Which expressions are equivalent to 4(3j+(-4))-9?
A. -12j-13

B. -4(-3j+4)-9

C. None of the above

Answer 1

Well, I think is B

why?

4(3j+(-4))-9= 12j+16-9=12j-7

A. -12j-13 = 12j-7 (F)

B . -4(-3j+4)-9 =12j+16-9=12j-7 (True)

Answer 2

The expressions are equivalent to 4[3j + (-4)] – 9 will be 12j – 25. Then the correct option is C.

What is an equivalent expression?

The equivalent is the expressions that are in different forms but are equal to the same value.

The expression is given as,

4[3j + (-4)] – 9

On simplifying, the expression will be

⇒ 12j – 16 – 9

⇒ 12j – 25

The expressions are equivalent to 4[3j + (-4)] – 9 will be 12j – 25.

Then the correct option is C.

More about the equivalent link is given below.

https://brainly.com/question/889935

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