Question

Expand (5x-4)square. ​

Answer 1

Step-by-step explanation:

(5x-4)²

By using identity (a-b)²= a²-2ab+b²

(5x-4)²= (5x)²-2×5x×4+(-4)²

= 25x²-40x+16

correct explanation and answer

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Answer 2

Step-by-step explanation:

(5x-4)^2

we want to expand the number,so we get

=(5x-4) (5x-4)

hope this helps you mate ✨