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

Answer 1

4x(7x^2)
28x^3

D is your answer. :)

Answer 2

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.

Answer 3

Show Me How To Do It Dont Give Me The ANSWER

Answer 4

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

Answer 5

Yea

Answer 6

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})

Answer 7

*add the exponents

Answer 8

I Think Its B

Answer 9

no. how did you get b?

Answer 10

56

Answer 11

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

Answer 12

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

Answer 13

Yeaa My Answer Waas Right To Thanks

Answer 14

It's okay.

Answer 15

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

Answer 16

@DamnImBad

Answer 17

I Got It Thanks Alot

Answer 18

no problem. :D