Question

please answer these two questions its urgent ​

Answer 1

Step-by-step explanation:

4x + x - 2x^2 + x - 1

Putting the value of x = -1

4(-1) + (-1) - 2(-1)^2 + (-1) -1

-4 -1 -2 -1 -1

-9

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Answer 2

Answer:

(13) -9

(14) 75° , 85° ,95° ,105°