Question

Simplify this expression.

9x(5x^2)

Answer 1

What is\( ~~~9 \times 5 \)??

Answer 2

45

Answer 3

ok so \( 9x(5x^2) = 45 x.x^2\)

what is \( x \times x^2 \) ??

Answer 4

\[2x^2\]?

Answer 5

No!

\( \Large x^m \times x^n = x^{m+n} \)
\( \Large x^1 \times x^2 = ?? \)

remember: x is same as \( x^1\)

Answer 6

so it's \[x^3\]

Answer 7

Yes so final answer is ?

Answer 8

\[45x^3\]

Answer 9

Right! :)

Answer 10

Thanks for your help I actually understand now!

Answer 11

No problem :D