8th grade math
posted by saranghae12
How do you simplify problems like
8x + 3 (7x6)
9(4x8) + 2x?
Please help!!
Thank you!

saranghae12
oh yeah and 4(1 + 9x) can u helo with this one too please

Ms. Sue
I'll do the first one.
8x + 3 (7x6)
8x + 21x  18
29x  18
I'll be glad to check your answer for the second problem. 
saranghae12
oooh i get the first one now. But wat i am asking is how you do the second problems that are like the second and the third problem.

Ms. Sue
You try the second problem. Do it the same way I did the first problem.

saranghae12
i just want you to know that i might be more confused with this because i am a 7th grader and i am in accelerated math so that is why i am doing 8th grade math and this is really hard for me right now so yeah

Ms. Sue
If you can't at least try to do the second problem, you don't belong in accelerated math.

saranghae12
ummm is it 6x  17? im not sure if this is right

saranghae12
yeah i did ask my teacher if i could go back to regular math but then she decided that she will decide on my quiz score and i got a good grade

saranghae12
and for the third problem is it this i will do it in the steps:
4( 1+9x)
4(1)+ 4(9x)
4 + 36x
is this correct? 
Ms. Sue
The third problem is right.
For the second problem:
9(4x8) + 2x
Start by multiplying 9 times 4x and 9 times 8. 
saranghae12
ooohhh ok so the second problem would be 36x + 72 + 2x right?

Ms. Sue
Right!

saranghae12
oh i get that now. thank you!

Ms. Sue
Ooops!
We forgot to add 2x
34x + 72 
saranghae12
oh ok i get it now. thank you!!

Ms. Sue
You're welcome.
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