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Sonja [21]
3 years ago
12

Can somebody help me find the zeroes for this, algebraically?

Mathematics
1 answer:
Natalija [7]3 years ago
8 0
To solve this algebraically, you can first factor out a 3:
3(x^2-2x-8)

Then, you can factor (I'm using guess and check) and my answer is -4 and 2:3(x-4)(x+2)

From here on, finding 0s is very easy. You just solve for x in the parentheses. So, the 0s are when x = 4, and x = -2. Remember, (4-4) = 0, and (-2+2) = 0, that's what you want.
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