Question

Add:- 7x2 - 2xy + 3 and -10 + 4xy - 5x2​

Answer 1

Step-by-step explanation:

(7x^2-2xy+3)+(-10+4xy-5x^2)

=7x^2-5x^2-2xy+4xy+3-10

=2x^2+2xy-7

Answer 2

Answer:

heya mate :)

$7x ^{2} - 2xy + 3 + ( - 10) + 4xy - 5x ^{2} \\ = 7x ^{2} - 2xy + 3 - 10 + 4xy - 5x^{2} \\ = 7x ^{2} - 5x ^{2} - 2xy + 4xy + 3 - 10 \\ = 2x ^{2} + 2xy - 7$

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