<span>(5a^2-4)*(25a^4+20a^2+16) is your answer</span>
Take the first bracket and it's multiplication, 3(2a+5)
You expand my multiplying everything inside the bracket by the number outside.
3*2a = 6a
3*5 = 15
Then multiply out the second bracket, 5(a-2)
5*a = 5a
5*-2 = -10
So now you have 6a + 15 + 5a - 10
Simplify it by collecting like terms, and you have:
11a + 5
And that's the answer, hope I helped!
Euclid wrote 1 books related to math & logic.
He compiles all his studies in one treatise called ELEMENTS
