Question

add 3m^2+8m-4 and 6m^2-m+7

Answer 1

Answer:

step-by-step explanation: as we need to the both lets arrange them

                                  3m²+8m-4

                                  6m²-m+7

so now lets add         9m²+7m+3

so 9m²+7m+3 is the answer

Answer 2

$( {3m}^{2} + 8m - 4) + ( {6m}^{2} - m + 7 ) \\ 3 {m}^{2} + 6 {m}^{2} + 8m - m - 4 + 7 \\ 9 {m}^{2} + 7m + 3$
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