x² + 4x - 8 can be written in the form (x + p) +9.
Find the value of p and q.
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Answer:
Use the technique 'complete the square.
Take the co-efficient of x in this case its 4 then you half it (2) square it (4) plus it and minus it.
The steps are.
(x^2 + 4x +4) -4 -8
Which makes a perfect square
(x+2)^2 - 12
therefore
p = 2 AND q = -12
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