Answer:
4x + 8b = 12 naka standard form na Po sya Ang value nya is a= 4 b= 8 c= 12
(x - 7) (x - 3) = 21
F = ( x )( x ) = x²
O = ( -3) ( x ) = 3x
I = ( - 7 ) ( x ) = 7x
L = ( 3 ) ( 7 ) = 21
SF : x² -x - 21 = 0
Step-by-step explanation:
I hope it helped : >