Question

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Answer 1

treat sin x as t , it forms the form of 4t^2 -5t -6.
now factor it out.

Answer 2

why don't you understand? need the next step? =(4t+3)(t-2)
or you can do directly from sinx . Yours = (4sin x +3) (sinx -2)

Answer 3

I dont understand the steps, can you explain what you're doing in each?

Answer 4

hey dan help me explain him