Math, asked by shiva8745, 1 year ago

Please help me guyz

tomorrow exam

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Answered by Krais

1

(5r + 2/3)^2 - (2r - 1/3)^2

= (5r + 2r +2/3 - 1/3) (5r - 2r + 2/3 + 1/3)

= (7r + 1/3) (3r + 3/3)

= (7r +1/3)( 3r +1)

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