Math, asked by goodgirls12, 6 months ago

plz guyzz help help me guys please please

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Answered by pudibindumadhuri

2

hi

(3x-4y-5)2

(3x)2+(-4y)2+

(-5)2+2x3xx(-4y)+2x(-4y)x(-5)+2x3xx(-5)

=9x2+16y2+25-24xy+40y-39x

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