The fact that the coefficients are pairwise identical (except for sign) tells you that x^2 -1 is a factor (and x-5 is the other factor). Of course, you recognize x^2-1 as a special form (the difference of squares) that is factored as (x +1)(x -1).
The zeros are x = -1, +1, +5.
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A graphing calculator confirms this.
106.25
5.12 = 0.4166...
0.41 * 255 = 106.25
Answer:
-1.514
Step-by-step explanation:
8/15 = 0.53
Equation:-
0.53/(-0.35)
=> -1.5142857142857145 = -1.514 (Approx.)
Step-by-step explanation:
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