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algebra homework help

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factorize the expression x ² + 4x -8 =0
asked Nov 6, 2013 in ALGEBRA 1 by linda Scholar

1 Answer

0 votes

Given that

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There are no exact roots of the given equation

We have to use discriminant formula

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Here a = 1 and b = 4 and c = -8

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Therefore the roots are

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answered Nov 6, 2013 by jouis Apprentice

Therefore, the factor form of x ² + 4x -8 =0 is (x - (- 2 + 2√3))(x - (- 2 - 2√3)).

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