Math, asked by raheem9849896110, 7 months ago

Add X2 - 2xy +3y2 and 5y2 +3xy -6x2 in a row method​

Answers

Answered by prabhumishra86
9

Answer:

(x+y+z+w)2 = x2 +y2 + z2 +w2 +2xy+2xz+2xw+2yz+2yw+2zw ... (x+y) 3 = (x+y)(x2 +y2 +2xy) = x3 +y3 +3xy(x+y).

Answered by msnaiduchandu
1

Step-by-step explanation:

x {}^{2}  - 2xy + 3y {}^{2}  + 5y {}^{2} + 3xy - 6x { }^{2}  \\ x { }^{2}  - 6x {}^{2}  - 2xy + 3xy + 3y {}^{2}  + 5y {}^{2}  \\  - 5x {}^{2}  + xy + 8y {}^{2} \:  \:  \:  answer

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