Answer:
3x2+20x−63
Explanation:
=(3x+−7)(x+9)
=(3x)(x)+(3x)(9)+(−7)(x)+(−7)(9)
=3x2+27x−7x−63
=3x2+20x−63
They made a huge profit by doing things the proper way.
"Answer:The reason: There is no acid rain in South Carolina because the state has no problem with sulfur dioxide. "
Explanation:
"Winds generally blow anything in South Carolina's air out to sea, not to nearby states. ... Their tests showed that acid rain, while a problem, was certainly not a crisis for this country."
