Question

Simplify 3x2(7x2+ 2x – 4)
Answer:
21x2+ 6x3– 12x
21x4+ 6x3– 12x2
21 + 6x – 12x2
21x2+ 6x – 12

Answer 1

3x^2(7x^2+ 2x – 4)
3x^2(7x^2)+3x^2( 2x)-3x^2(4)
21x^4+6x^3-12x^2

Answer 2

21x4+ 6x3– 12x2
is the correct choices

Answer 3

thanks :)

Answer 4

my pleasure:)

Answer 5

help
can,t get an understanding of this ,my daughter is in the fifth grade this year and I need to learn this so I can help her