Which question is it? It looks like you answered them all.
Answer:
(x+7) (x+3)
Step-by-step explanation:
x times x equals x2
3x + 7x = 10x
7 x 3 = 21
Its actually (2,18)
x=29 CEF=103 BEF=58
161=3x+16+2x
5x=145
x=29
