Question

Multiply and simplify: (5x – 3)(3x2 – 2x – 4)

A. 15x3 –19x2 – 26x – 12
B. 15x3 + x2 – 26x + 12
C. 15x3 + x2 – 14x + 12
D. 15x3 – 19x2 – 14x + 12

Answer 1

\[5x(3x^2 - 2x-4) -3(3x^2 - 2x -4)\]

Distribute it and solve to get the answer...

Answer 2

15x^3 -2 -4 -3 right ? @waterineyes

Answer 3

then -3 x 3x^2 -2 -4 ?

Answer 4

Where you have made a mistake??

Answer 5

15x^3-10x^2-20x-9x^2+6x+12
then simplify.

Answer 6

\[15x^3 -10x^2 - 20x - 9x^2 +6x +12\]

Answer 7

A ?

Answer 8

D

Answer 9

because -20x+6x=-14x, not -26x

Answer 10

Now add the x squared terms and subtract the x terms you will get your answer..