Question

expand using identity (2×-5)³​

Answer 1

Answer:

I think the answer will be

Step-by-step explanation:

-1000

Answer 2

Answer:

$Formula: (a-b)^2=a^2-2ab+b^2\\(2x)^2 + (5)^2-2(2x)(5)\\ 4x^2+25-20x\\4x^2-20x+25$