Question

factorize polynomial y2 -8y -20 ​

Answer 1

Answer:

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Answer 2

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$\red{\bold{\underline{\underline{QUESTION:-}}}}$

Q:-Factorise

${y}^{2} - 8y - 20 = 0$

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$➾ {y}^{2} - 8y - 20 = 0$

$➾ {y}^{2} - 10y + 2y - 20 = 0$

$➾y(y - 10) + 2(y - 10) = 0$

$➾(y + 2)(y - 10) = 0$

$➾y + 2 = 0$

$➾y = - 2$✓

$➾y - 10 = 0$

$➾y = 10$✓

HOPE IT HELPS YOU..

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