Question

Take -4 + 3a^(2) from 7a - a^(2)


-4a^(2)- 7a- 4
-4a^(2)- 7a+ 4
-4a^(2)+ 7a+ 4
4a^(2)+ 7a+ 4

Answer 1

maybe i could help you...\[-(4a^2+7a+4)\]
dividing by -1...
\[4a^2+7a+4\]
now...
\[\frac{ -7\pm \sqrt{7^2-4\times(4\times4}) }{ 2\times4 }\]

Answer 2

i bet you can do it now! okay? @mabanana