Question

Add 2x²-5x²y²+2xyand 6xy+4x²-7 and subtract the result from -xy+x²+7x²y²


Pls help me solve this ques step by step
It's right ans is -5x²+12x²y²-9xy+6

Irrelevant ans will be reported
Right ans will be marked as brainliest❤❤

pls help me guys
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Answer 1

Answer:

$-5x^{2} +12x^{2} y^{2} -9xy +7$

Step-by-step explanation:

$2x^{2} -5 x^{2}y^{2} } +2xy$ + $6xy+4x^{2} - 7$

$6x^{2} -5x^{2} y^{2} +8xy -7$

($x^{2} +7x^{2} y^{2} -xy$) - ($6x^{2} -5x^{2} y^{2} +8xy -7$)

$x^{2} -6x^{2} +7x^{2}y^{2} +5x^{2} y^{2} -xy-8xy-7$

$-5x^{2} +12x^{2} y^{2} -9xy +7$

If the third equation has a (-1) somewhere it'll be +6, or if the (-7) in the first equation is (-6) or you've missed the constant in the second one.