Question

Add the following expressions. 4m²-7n²+5mn,3n²+5m²-2mn​

Answer 1

Answer:

9m square - 4 n square +3 mn

Step-by-step explanation:

4m square - 7 n square + 5 mn + 3 n square + 5 m square - 2 mn

Answer 2

$\huge\sf \pink A\green N\red S \orange W \blue E \purple R$

$\sf4 {m}^{2} - 7 {n}^{2} + 5mn + 3 {n}^{2} + 5 {m}^{2} - 2mn$

$\sf4 {m}^{2} + 5 {m}^{2} - 7 {n}^{2} + 3 {n}^{2} + 5mn - 2mn$

$\sf9 {m}^{2} - 4 {n}^{2} + 3mn$

Step-by-step explanation:

Hope it helps you