Math, asked by maahi92, 1 year ago

what is the soloution of equation xy2-x2y +x3 if x=-2 y=-5

Answers

Answered by Anonymous

Hey mate ☺️

See the attachment ☺️

Hope it helps you ☺️✌️✌️

Attachments:

maahi92: but answer is +38

Anonymous: no it's - 38

maahi92: i solved this problem.my answer is also -38 but in the book answer is +38.

maahi92: please solved this problem a2-2xy+by2z,if a=2 x= -2 y= -5 b= -3 and z=4

vishesh412: it may be wrong printed in book

Anonymous: hmm yeah it can be misprinted

Answered by vishesh412

if x=-2,y=-5

so,

$xy {}^{2} - x {}^{2} y + x {}^{3 } = \\$

$( - 2 \times - 5 \times - 5) - (- 2 \times - 2 \times - 5) +( - 2) {}^{3}$

$( - 50) - ( - 20) + ( - 8)$

$( - 50) + (20 - 8)$

$( - 50) + 12$

$= - 38$

vishesh412: hope i helped you

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