Step-by-step explanation:
the area =
= 
please give me a brainliest answer
Answer: I think it would be option E
Step-by-step explanation:
If my answer helps u plz add me as brainliest.
Answer:
She didn't put the sign's in the proper place, it should be ( x + 3 ) ( x - 7 )
Step-by-step explanation:
( x - 3 ) ( x + 7 ) = x² + 7x - 3x - 21 = x² + 4x - 21
( x + 3 ) ( x - 7 ) = x² - 7x + 3x - 21 = x² - 4x - 21