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Solve 6x – 5 = 2x + 13


6x - 5 = 2x + 13 (+5) -> 6x - 5 + 5 = 2x + 13 +5 ------> 6x = 2x + 18 (-2x) -> 6x - 2x = 2x - 2x + 18 ----------> 4x = 18 (divide 4) ->

Answered by • Maths tutor
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A cubic polynomial has the form p(z)=z^3+bz^2+cz+d, z is Complex and b, c, d are Real. Given that a solution of p(z)=0 is z1=3-2i and that p(-2)=0, find the values of b, c and d.

I will explain this choice of question and demonstrate my approach of showing the most forward way to solve this in the interview.

Answered by • Maths tutor
3455 Views

Describe the structure of DNA

-DNA is a double-stranded helix-Two polynucleotide strands (that run antiparallel to each other), held together by hydrogen bonding between the complementary base pairs-Each nucleotide consists of deoxyri...

Answered by • Biology tutor
2295 Views

How do the dative and accusative cases work with prepositions?

German prepositions are categorised according to whether they take the dative or the accusative. There are a list of prepositions that take the dative (s...

AH
Answered by Anna H. • German tutor
3869 Views

Why does an enzyme only catalyse one reaction?

Enzymes are proteins, which have a specific 3D tertiary structure, with a specifically shaped active site. The active site can only bind one substrate to...

ZS
Answered by Zara S. • Biology tutor
14134 Views

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