Question

Why is 15t (t-5) the answer to 15t^2-75t?

Answer 1

becoz on opening bracket we multiply the terms

Answer 2

a(b-a)=ab-a^2

Answer 3

here 15t.t-15t.5

Answer 4

that is 15t^2-75t

Answer 5

@niine Did you understand danish's answer?

Answer 6

When you multiply exponents you add them \[t \times t = t^2\] it works with normal numbers to, keep in mind everything is to the one, so look.

\[2^1 \times 2^1 = 2^{1+1} = 2^2 = 4\]

And for your question you have to distribute the 15t over everything in the brackets, as so.