Simplify this expression.

4x(7x2)

Select one of the options below as your answer:

A.
11x2
B.
28x2
C.
11x3
D.
28x3

I Need Serious Help

Question

Simplify this expression.

    4x(7x2)

Select one of the options below as your answer:

    A.
    11x2
    B.
    28x2
    C.
    11x3
    D.
    28x3
 

I Need Serious Help

anonymous · Answer

4x(7x^2)
28x^3

D is your answer. :)

kaiz122 · Answer

this one's easy.need to get familiar with PEMDAS rule which stands for Parenthesis Exponents Multiplication Division Addition Subtraction. you solve in this order.

anonymous · Answer

Show Me How To Do It Dont Give Me The ANSWER

kaiz122 · Answer

oh~ so that was x. i thought its multiplication symbol.

anonymous · Answer

Yea

kaiz122 · Answer

so if you are going to multiply numbers with variables(x,y,z,...) just simply multiply the numbers, and multiply the variables. in multiplying the same variables, x * x^{2}  the result is x^{3}. just copy the variable and and the exponents (x^{a+b})

kaiz122 · Answer

*add the exponents

anonymous · Answer

I Think Its B

kaiz122 · Answer

no. how did you get b?

anonymous · Answer

56

anonymous · Answer

Because I Did 4(7*2) Nd Got 56 So Then I Did 28*2=56

kaiz122 · Answer

what was really the question here? is it just multiplication? or are we dealing with variables?

anonymous · Answer

Yeaa My Answer Waas Right To Thanks

anonymous · Answer

It's okay.

kaiz122 · Answer

i have a question is it $$4*(7*2)$$ or $$4x(7x^{2})$$

kaiz122 · Answer

@DamnImBad

anonymous · Answer

I Got It Thanks Alot

kaiz122 · Answer

no problem. :D