Question

What is the simpler form of (5x^3+2)(5x^3-2)?

Answer 1

are there choices?

Answer 2

A.) 25x^6+20x^3-4
B.) 25x^6-20x^3-4
C.) 26x^9-4
D.) 25x^6-4

Answer 3

25x^6 – 4

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

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 6

Thanks :)

Answer 7

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

Answer 8

no prob

Answer 9

Yes! Thank so much. This unit is confusing me xD