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Kendall Bass
9 August, 02:37
Can be written as
Find the values of p and q
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Mollie Cherry
9 August, 04:54
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Here you're being asked to "complete the square" of x^2 + 4x - 8.
1. Take half of the coefficient (4) of x and square it: Square 2: 2^2 = 4
2. Add this result to the given x^2 + 4x - 8, and then subtract the same:
x^2 + 4x - 8 + 4 - 4
3. Rewrite x^2 + 4x + 4 as a perfect square:
(x+2) ^2 - 12
4. Identify p as being 2 and q as being - 12.
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