alleryFind the roots of x² + x − 20 = 0.
Ax = −5 or 4
Bx = −4 or 5
Cx = −2 or 10
Dx = −1 or 20
Answer & Solution
Correct answer: A. x = −5 or 4
The expression factors as (x+5)(x−4), giving roots −5 and 4.
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