Question

add 7xsquare+6x+1 and 8square+7y+4
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Answer 1

Answer:

$15 {x}^{2} + 6x + 7y + 5$

Step-by-step explanation:

$(7 {x}^{2} + 6x + 1) + (8 {x}^{2} + 7y + 4) \\ \\ = 7 {x}^{2} + 6x + 1 + 8 {x}^{2} + 7y + 4$

$= 15 {x}^{2} + 6x + 7y + 5$

Hope it helps