Question

What is the answer to this 3a^2-9a

Answer 1

If i'm correct, the answer should be

-3a

hope this helped! 8)

Answer 2

ANSWER:

${3a}^{2} - 9a \\ = {( \sqrt{3} a)}^{2} - {(3 \sqrt{a}) }^{2} \\ = using \: formula \: {a}^{2} - {b} = (a + b)(a - b) \\ = ( \sqrt{3} a + 3 \sqrt{a} )( \sqrt{3} a - 3 \sqrt{a} )$

HOPE IT HELPED YOU ☺