Answer:
Simplify the radical by breaking the radical up into a product of known factors.
2 √ 10
Step-by-step explanation:
9
if the opposition of a number is equal to -9.
hence the expression above....
its 72 mins, 6x12=72
116
(-3x²+5x-2)-2(x²-2x-1)
-3x²+5x-2-2x²+2x+2
-5x²+7x
b = 7