Question

What is the simpler form of (5x^3+2)(5x^3-2)?
25x^6 + 20x^3 – 4
25x^6 – 20x^3 – 4
25x^9 – 4
25x^6 – 4

Answer 1

25x^6 – 4

Answer 2

because

Answer 3

?

Answer 4

5x^3*5x^3-5x^3*(-2)(which is -10x^3)+10x^3(which is 2*5x^3)-4(which is 2*(-2) ), soooo

Answer 5

Lol, so the answer is 25x^6 – 4?

Answer 6

we get, 25x^6( when u multiple plus exponent each other) and we get also one -10x^3+10x^3, and because they have different signs, they disappear :))) :D

Answer 7

soo remain only 25x^6 – 4. understand??

Answer 8

Oh(;. So I was right?

Answer 9

Yes, I do(: Thanks!

Answer 10

welcome :))