Question

following expansion is a perfect square or not ​

Answer 1

Answer:

25q²-40q+16

25q²-20q-20q+16

5q(5q-4)-4(5q-4)

(5q-4)(5q-4)

q=4/5

q=4/5

so this expration is not perfect square.

Step-by-step explanation:

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