Question

solve the following quadratic equation by using formula x2 +2x - 8= 0
answer

Answer 1

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Step-by-step explanation:

${x}^{2} + 2x - 8$

${x}^{2} + 4x - 2x - 8$

$x(x + 4) - 2(x + 4)$

$(x - 2)(x + 4)$

$x = 2 \: and \: - 4$

Answer 2

solve the following quadratic equation by using formula :-

$x ^{2} + 2x - 8 = 0$

Answer →

${x}^{2} + 2x - 8 = 0 \\ x ^{2} + 4x - 2x - 8 = 0 \\ x(x - 4) - 2(x - 4) \\ (x - 2)( x - 4) \\ values \: of \: x \: = (x - 2)(x - 4)$