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What is d if p equals 15 in d=-3p^2+168p-315
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What is d if p equals 15 in d=-3p^2+168p-315

User Serenesat
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2 Answers

2 votes
so first you will substitute p for 15
so your equation will look like d=3(15)^2+168(15)-315
then you will simplify
to get d= 2025+2520-315
simplify again
to get d=4230

User Gblock
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7.5k points
1 vote
sub
-3(15^2)+168(15)-315=
-3(225)+2520-315=
-675+2205=
1530

d=1530 when p=15
User Mustafa Tameemi
by
8.5k points
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