Math, asked by 7896630137, 1 day ago

full sum kar do please

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Answered by gurnaazkaur61

1

Answer is :-

( x + 4y - 5z )²

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Answered by pragnasrimiddela

0

Step-by-step explanation:

(a+b+c)² = a²+b²+c²+2ab+2bc+2ca

(a-b-c)² = a²+b²+c²-2ab+2bc-2ca

=x²+16y²+25z²+8xy-40yz-10xz

=x²+(-4y)²+(-5z)²-2(4xy)+2(4×5yz)-2(5xz)

=(x-4y-5z)²

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