Question

Factorise the expression- 2x²-35x-18 ​

Answer 1

$\green {\boxed{Answer}}$

$- 2 {x}^{2} - 35x - 18$

$-2x^{2}-35x-18=0$

$x=\frac{-\left(-35\right)±\sqrt{\left(-35\right)^{2}-4\left(-2\right)\left(-18\right)}}{2\left(-2\right)}$

$x=\frac{-\left(-35\right)±\sqrt{1225-4\left(-2\right)\left(-18\right)}}{2\left(-2\right)}$

$x=\frac{-\left(-35\right)±\sqrt{1225+8\left(-18\right)}}{2\left(-2\right)}$

$x=\frac{-\left(-35\right)±\sqrt{1225-144}}{2\left(-2\right)}$

$x=\frac{-\left(-35\right)±\sqrt{1081}}{2\left(-2\right)}$

$x=\frac{35±\sqrt{1081}}{2\left(-2\right)}$

$x=\frac{35±\sqrt{1081}}{-4}$

$x=\frac{\sqrt{1081}+35}{-4}$

$x=\frac{-\sqrt{1081}-35}{4}$

$x=\frac{35-\sqrt{1081}}{-4}$

$x=\frac{\sqrt{1081}-35}{4}$

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Answer 2

Answer:

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