Question

Factorise the polynomial 2y(y+5)-3(y+5)

Answer 1

Step-by-step explanation:

(2y-3)(y+5)

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Answer 2

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Factorise the polynomial 2y(y+5)-3(y+5)

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$➩2y(y + 5) - 3(y + 5)$

$➩2 {y}^{2} + 10y - 3y - 15 = 0$

$➩2 {y}^{2} + 7y - 15 = 0$

$➩2 {y}^{2} + 10y - 3y - 15 = 0$

$➩2y(y + 5) - 3(y + 5)$

$➩(2y - 3)(y + 5)$

$➩y = \frac{3}{2} \: and \: y = - 5$

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