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10 questions from this quiz
To solve quadratics that can't be factorised
To find exact irrational solutions
Make the coefficient of x2x^2x2 equal to 1
Take half of it and square it
Square root method or difference of squares
25
(x−5)2−36=0(x - 5)^2 - 36 = 0(x−5)2−36=0
The ± sign
Divide entire equation by 2
When there's no perfect square under the root
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