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Factorisation by Regrouping Terms

Solve : x2+4...

Question

Solve :
$x^{2} + 4 x - 60 = 0$

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Solution

Given, $x^{2} + 4 x - 60 = 0$

$x^{2} + 10 x - 6 x - 60 = 0$

$x (x + 10) - 6 (x + 10) = 0$

$(x + 10) (x - 6) = 0$

$x = 6, - 10$

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Factorisation by Regrouping Terms

Standard VIII Mathematics

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