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aleksklad [387]
4 years ago
12

Simplify

Mathematics
1 answer:
ikadub [295]4 years ago
3 0

Answer: (A)=10x5−29x4+33x3−18x2−18x+27

Step-by-step explanation:

How i solved it was by simplifying each answer there was available and (A) was the most compatiable answer!

=(2x+−3)(5x4+−7x3+6x2+−9)

=(2x)(5x4)+(2x)(−7x3)+(2x)(6x2)+(2x)(−9)+(−3)(5x4)+(−3)(−7x3)+(−3)(6x2)+(−3)(−9)

=10x5−14x4+12x3−18x−15x4+21x3−18x2+27

=10x5−29x4+33x3−18x2−18x+27

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/////I need help fast/////
gladu [14]
A(4) =13


a(1) = 1
a(2)=5
a(3)=9
a(4)=13
a(5)=17

So, the arithmetic formula is: a(n) = a(n-1) + d

If we look at the formula, the numbers change by +1, which is our d

We can test our formula by look for 2,
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a(1)+4
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a(2)=5


Even though the sequence tells us, we can test our formula anyhow

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