Question

-7mn+5,12mn+2,8mn-8,-2mn-3

Answer 1

Answer:-

$\\ \sf\longmapsto (-7mn+5)+(12mn+2)+(8mn-8)+(-2mn-3)$

• Remove brackets

$\\ \sf\longmapsto -7mn+5+12mn+2+8mn-8-2mn-3$

• Combine like variables

$\\ \sf\longmapsto -7mn+12mn+8mn-2mn+5+2-8-3$

• Simplify

$\\ \sf\longmapsto 5mn+6mn+7-11$

$\\ \sf\longmapsto 11mn-4$