Question

simplify (2x-9)(x+6)

Answer 1

do you know how to do this?

Answer 2

no

Answer 3

-(7x + 54)

Answer 4

it does not mean "simplify"
there is no such mathematical operation as "simplify"
it means "multiply" using the distributive property

Answer 5

\[ (2x-9)(x+6)=2x\times x+6\times 2x-9\times x-9\times 6\]

Answer 6

then some arithmetic

Answer 7

\[\Large\begin{array}{cl}
&(2x-9)\color{blue}{(x+6)}\\
=&2x\color{blue}{(x+6)}-9\color{blue}{(x+6)}\\
=&2x^2+12x-9x-54\\
=&2x^2+3x-54
\end{array}\]