Step-by-step explanation:
x^2 -14x + 45 =0
look for two numbers that their :
sum= - 14 (-5 & -9)
products = 45 (-5 & -9)
so,
(x-5)(x-9)=0
thus,
x=5, x=9 (ANS)
Answer:
80 sq.in
One square's side = 4in
One square's area = 16 sq. in
16 x 5 = 80 sq.in
Hope that helps!
7>x>3