Math, asked by mahapatrasrabanti1, 6 months ago

16(5x + 4)^2 - 9(3x - 2)^2

Answers

Answered by chinmaya44

1

Step-by-step explanation:

16(5x+4)^2-9(3x-2)^2

=16(25x^2+40x+16)-9(9x^2-12x+4)

=400x^2+640x+256-81x^2+108x-36

=319x^2+748x+220

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