which are the zeroes of p(x) =x^2 -2x -8:
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Answer:
p(x) = x² - 2x - 8
zero = -2, 4
Step-by-step explanation:
x²-2x-8
= x² - 4x + 2x - 8 (by splitting the middle term)
=x(x-4) + 2(x-4) (by taking x and 2 common)
= (x+2)(x-4)
zero of (x+2)
x+2 = 0
x= -2
zero of (x-4)
x-4 = 0
x = 4
zeroes of p(x) are (-2) and 4
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