Question

Help!
Simplify: –4(x – 6) + 3(a – 7)

A.–4x + 3a – 45
B.–4x + 3a + 45
C.–4x + 3a – 3
D.–4x + 3a + 3
@SolomonZelman

Answer 1

–4(x – 6) + 3(a – 7)

let try to expand each parenthesis.

\[–4(x – 6)~~~->~~~(-4) \times (x)~~~+~~~(-4) \times (-6)=?\]\[3(a-7)~~~->~~~(3) \times (a)~~~+~~~(3) \times (-7)=?\]

Answer 2

\[The~~1st~~one:~~~-4x+24\]\[The~~2nd~~one:~~~~~3a+(-21)~~~~-->~~~~3a-21\]

Answer 3

\[So~~you~~have:~~~-4x+24+3a-21~~~~~~~~~D o~~~i t!\]

Answer 4

\[Can~~you~~do~~i t,~~or~~need~~my~~help?\]

Answer 5

i'm a little confused

Answer 6

\[I'l l~~set~~i t~~i n~~different~~order:~~~~~~-4x~+~3a~+~24~-~21\]

Answer 7

\(\bbox[5pt,lightpink,border:2px solid blue]{\huge\color{yellow}{\underline{This~~is~~for~~what \text?}}\\ }\)

Answer 8

wrong thing sorry

Answer 9

\(\bbox[5pt,yellow,border:2px solid purple]{\huge\color{red}{\underline{you~~should~~get~~~~~-4x+3a+3 \text.}}\\ }\)

Answer 10

how did you get that

Answer 11

\(\bbox[5pt,lightgrey,border:2px solid red]{\huge\color{blue}{\underline{D,~~~yes,~~I~~got~~that.}}\\ }\)

Answer 12

\[-4x+3a+24-21~~~~=~~~~-4x+3a+3\]

Answer 13

Makes sense?