Answer:
[tex]B1 = \frac{2A-(h*B2)}{h}[/tex]
or
[tex]B1=\frac{2A}{h} - B2[/tex]
Step-by-step explanation:
FOIL
(1/2)h*B1+ (1/2)h*B2=A
subtract the B2 term
(1/2)h*B1 = A- (1/2)h*B2
multiply by 2
h*B1 = 2A - h*B2
divide by h
[tex]B1 = \frac{2A-(h*B2)}{h}[/tex]
or
[tex]B1=\frac{2A}{h} - B2[/tex]
