Question

a2-5a=50

Answer 1

i assume you mean \[a^2?\]

Answer 2

yes

Answer 3

in which case:
\[a^2 - 5a - 50 = 0\]

\[a^2 + 5a - 10a - 50 = 0\]

\[a(a + 5) - 10 (a + 5) = 0\]

\[(a - 10)(a+5) = 0\]

Answer 4

i'm assuming that is what your teacher wanted

Answer 5

whats the solution

Answer 6

of a