Factor completely −5x3 + 10x2. Prime −x(5x2 − 10x) 5x(−x2 + 2x) −5x2(x − 2)
2 answers:
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Answer:
yes, ±2
Step-by-step explanation:
The x-intercepts are found by setting y=0 and solving for x:
x^2/4 = 1
x^2 = 4
x = ±√4
x = ±2
The x-values of interest are -2 and +2.
