Math, asked by aafiyanawaz264, 7 months ago

(asquare -4a) ( asquare -4a)-20

Answers

Answered by kritee88

3

Step-by-step explanation:

(a²-4a)(a²-4a)-20

=a²(a²-4a)-4a(a²-4a)-20

=a⁴-4a³-4a³+16a²-20

=a⁴-8a³+16a²-20

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