Question

9a^2/3a+2b-4b^2/3a+2b could someone walk me through this so I can take notes.

Answer 1

where's the main dash?

Answer 2

9a^2/3a+2b on bottom then minus 4b^2/3a+2b on bottom

Answer 3

draw it please

Answer 4

\[\frac{ 9a^2 }{ 3a+2b? }-\frac{ 4b^2 }{ ?3a+2b }\]

Answer 5

sorry about the ? marks

Answer 6

ok ,you see first that both fractions have the same denominator so just subtract the numerators

Answer 7

so 9-2 =7a^2b^2

Answer 8

no ,