Question

=> NOTE = Standard - 8 , want method , no useless answers , method in each question 's answer, answer will be reported if it is useless .


Q - 1. Add

1)
${x}^{2} + 3xy - 5 \: and \: 6 {x}^{2} + 7 + 3xy$
2)
$2xyz + 4 {x}^{2} y + 7 \: and \: 2xyz - x {y}^{2} - 9$

Answer fast need urgent ​

Answer 1

Answer:

please refer to above attachment

Step-by-step explanation:

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