Answer:
16b4=9
Step-by-step explanation:
(4b²+3) (4b²-3)
16b4-12b²+12b²-9
16b(raised to power 4)-9
16b4-9
collect like terms
45/5+90+66/2
=9 + 90 + 33
=99 +33
=132
A is a solution because it is in the shaded area.
