Hi there...
I am glad to help you
10n² + n - 3
Factorization is: ( 5n + 3)(2n - 1)
I hope that's help !
Answer:
x=28
Step-by-step explanation:
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When I factor[ 2cos (square) - 5cos -3], I get (2cos + 1)(cos - 3). 2cos + 1 = 0, 2cos = -1, cos = -0.5,. Using inv cos on calculator, I get 120 degree related angle.
