Answer:
(7x-3y) (-x+3y)
Step-by-step explanation:
(3x-3y+4x) (3x+3y-4x)
<em>(<u>3x</u></em>-3y+<em><u>4x</u></em>) (<em><u>3x</u></em>+3y<em><u>-4x</u></em>)
the answer is 1830
24
plz mark me as brainliest :DD
6.2 a QR
6.2 b 180
6.3 a By aas axiom