Answer:
try mixing the first question and last question if that helps but none of these will be perfect because they hold different points
1. The dogs in my neighbour’s yard started barking.
2. The teacher asked the students in the back row of the classroom to please be quiet.
Answer:
3x2+20x−63
Explanation:
=(3x+−7)(x+9)
=(3x)(x)+(3x)(9)+(−7)(x)+(−7)(9)
=3x2+27x−7x−63
=3x2+20x−63