Question

guys please answer. Fastest right answer will get brainliest, and I mean it. there are two images​

Answer 1

Answer:

(5-4y)[5^2+(4y)^2+5*4y]

Step-by-step explanation:

125-64y^3

=5^3-(4y)^3

=(5-4y)[5^2+(4y)^2+5*4y]       as a^3-b^3=(a-b)(a^2+b^2+ab)

Answer 2

Step-by-step explanation:

125 - 64y^3

(5)^3 - (4y)^3

a^3 - b^3 = (a - b)(a^2+ab+b^2)

= (5 - 4y)(25+20y+16y^2)