The polynomial expression is: x2+5x−2 x^2 + 5x - 2 x2+5x−2
Substituting x=−6x = -6x=−6 into the polynomial, we get: (1)(−62)+(5)(−6)+(−2)(−60) (1)(-6^2) + (5)(-6) + (-2)(-6^0) (1)(−62)+(5)(−6)+(−2)(−60)
Computing the powers, multiplication, and addition, we get: 36−30−2 36 - 30 - 2 36−30−2
The value of the polynomial for x=−6x = -6x=−6 is approximately 4.
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