Hi
(6-d)(d²-5+3d) = 6d²-30+18d-d³+5d-3d² = -d³+6d²-3d²+18d+5d-30
(6-d)(d²-5+3d) = -d³+3d²+23d-30
Answer: -d³+3d²+23d-30
I suppose you want to solve the following equation for b:

First of all, you need to divide both sides by 9:

Then, subtract 2 from both sides:

3543.72 cm^2.
Hopefully it helped ya
2*2*3*5 are the prime factors of 60
<span>9 divided by 3/2
= 9 (2/3)
= 6
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