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Write x^2 + 4x + 18 in the form (x + a)^2 + b, where a and b are constants to be determined.
(x + 2)^2 + 14. a = 2, b = 14
DH
Answered by
Danqing H.
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Factorise (x^2 +3x-18)=0, solving for x
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