Question

1) Solve the following with factorization method:
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Answer 1

Step-by-step explanation:

x=4

x=-5

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Answer 2

ANSWER:

${x}^{2} + x - 20 = 0$

${x}^{2} + 5x - 4x - 20 = 0$

$x(x + 5) - 4(x + 5) = 0$

$(x - 4)(x + 5) = 0$

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Firstly,

$x - 4 = 0$

$x = 4$

Secondly,

$x + 5 = 0$

$x = - 5$

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S.S = { 4 , - 5 }

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