Question

Add 9x² + 4xy and 10xy - 3x²​

Answer 1

$\huge\underline\mathfrak{Answer}$

$9 {x}^{2} + 4xy + 10xy - 3 {x}^{2}$

$9 {x}^{2} - 3 {x}^{2} + 4xy + 10xy$

$6 {x}^{2} + 14xy$

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Answer 2

Step-by-step explanation:

your answer is in the Attachment.