Multiply and simplify: (3x – 7)(-3x^2 + 4x + 1)

A. -9x^3 + 33x^2 – 25x – 7
B. -9x^3 + 12x^2 + 3x
C. -9x^3 –9x^2 – 31x – 7
D. -9x63 + 21x^2 + 3x

Question

Multiply and simplify: (3x – 7)(-3x^2 + 4x + 1) 

   A.  -9x^3 + 33x^2 – 25x – 7 
   B.  -9x^3 + 12x^2 + 3x 
   C.  -9x^3 –9x^2 – 31x – 7 
   D.  -9x63 + 21x^2 + 3x

anonymous · Answer

$$3x(-3x^2 +4x+1) -7(-3x^2 +4x+1)$$

Distribute it and solve, Let us see what you got??

anonymous · Answer

$$-9x^2 + 12x +3x + 21x - 28x - 7$$

Solve it and get the answer...

callisto · Answer

@Senior012 Do you understand?

anonymous · Answer

@Senior012 this is same as what you did earlier...

anonymous · Answer

D ?

anonymous · Answer

No, Senior you have made a mistake...
Check yourself otherwise let us check how you did..

anonymous · Answer

OK B ?

anonymous · Answer

@waterineyes

anonymous · Answer

Why are you guessing???
No, it is not B..
Check it again...

anonymous · Answer

I

anonymous · Answer

NOT GUESSING, IM ADDING THE NUMBERS AND THATS THE ANSWERS IM COMING UP WITH...

anonymous · Answer

See the equation I have formed above..
What you have to do is to add or subtract it..
Try it once more I am sure you are near to it...

anonymous · Answer

$$−9x2+12x+3x+21x−28x−7$$

See, here add x terms what you will get??

anonymous · Answer

FINAL ANSWER A !! RIGHT ? (:

anonymous · Answer

Yes Senior you got that right...

anonymous · Answer

SEE ? I DONT UNDERSTAND WHY EVERYONE ALWAYS THINKS IM GUESSING LIKE DANGGG /:

anonymous · Answer

Because Once you are saying that it is C and on next you say B and next you say D then only one option left..
ha ha ha..

anonymous · Answer

i only asked you twicce. so there was still 2 options available. i only asked you if the letter was right cause thats what i was coming out with..

anonymous · Answer

It is ok senior sorry for saying that you were guessing..