Question

Simplify the expression below.
(4x)3

Answer 1

use this :
\(\huge (ab)^n=a^nb^n \)

Answer 2

and you know 4^3= ?

Answer 3

okay so do i times 4 and 3 ? @hartnn im not good in math really would like your help

Answer 4

nopes, in a^b you multiply a 'b' times,
so in 4^3
you multiply 4 3 times, what u get ?

Answer 5

64

Answer 6

yup, 64 is correct :)
so what will be
(4x)^3 ?

Answer 7

okay so it will be 64x^3

Answer 8

that is correct!
good :)

Answer 9

okay here's another let me do it first you tell me if its wrong . (3x)2

Answer 10

9x^2

Answer 11

that is correct!

Answer 12

this one different 9x(5x2)

Answer 13

it should be ^2

Answer 14

that 'x' in middle is variable \(x\) or multiplication?

Answer 15

variable

Answer 16

9x(5x^2)

Answer 17

ok, so group like terms, like 9*5 and x*x^2
whats x*x^2 = ?

Answer 18

its 45^2

Answer 19

9*5 = 45, this is correct.
but what is x*x^2= ?
\(\huge x^n.x^m=x^{m+n}\)

Answer 20

9*2 is what your asking ?

Answer 21

nopes,
\(\large 9x(5x^2) = (9*5) (x*x^2)=45x^{1+2}=?\)

Answer 22

oh so 45^3

Answer 23

45x^3
did u get how ?

Answer 24

yes x+x will get you two . but this question here