Question

(5x - 4w)(3x +8w)

explain please

Answer 1

15x^2-32w^2+28wx

Answer 2

Did you learn FOIL @Olyalhic ?

Answer 3

@Mehek14 I did a long time ago, so i can't quite remember

Answer 4

did i get it right?

Answer 5

oh okay so it would be 32w^2 +28wx +15x^2 ?

Answer 6

@Mehek14

Answer 7

\(\bf{5x*3x\\5x*8w\\-4w*3x\\-4w*8w}\)

Answer 8

multiply all of those ^

Answer 9

i got 15x,40wx,12wx and 32w.

so 15x - 28wx + 32w?

Answer 10

\(\bf{5x*3x=15x^2\\5x*8w=40xw\\-4w*3x=-12xw\\-4w*8w=-32w^2}\)

Answer 11

add like terms
40xw + (-12xw)

Answer 12

oh i see what i missed,

\[15x^{2} -32w ^{2}+28xw ^{2}\]

is that right?

Answer 13

\(\tt{28xw}\) not \(\tt{28xw^2}\)

Answer 14

okay i wasn't sure about that thank you <3

Answer 15

yw \(\ddot\smile\)