Now, 5y^ 2+2y 7=0 ⇒ 5y^2+7y 5y 7=0 ⇒ y(5y+7) 1(5y+7)=0 ⇒ (y 1)(5y+7)=0 ⇒ y=1, 75 . ...

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Polynomial and Its General Form

Solve 5y 2+2...

Question

Solve
$5 y^{2} + 2 y - 7 = 0$

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Solution

Now,
$5 y^{2} + 2 y - 7 = 0$

$\Rightarrow 5 y^{2} + 7 y - 5 y - 7 = 0$

$\Rightarrow y (5 y + 7) - 1 (5 y + 7) = 0$

$\Rightarrow (y - 1) (5 y + 7) = 0$

$\Rightarrow y = 1, - \frac{7}{5}$ .

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