2x^2+10x-450=0

Solution for 2x^2+10x-450=0 equation:

2x^2+10x-450=0

a = 2; b = 10; c = -450;
Δ = b2-4ac
Δ = 102-4·2·(-450)
Δ = 3700
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

The end solution:

$\sqrt{\Delta}=\sqrt{3700}=\sqrt{100*37}=\sqrt{100}*\sqrt{37}=10\sqrt{37}$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(10)-10\sqrt{37}}{2*2}=\frac{-10-10\sqrt{37}}{4}
$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(10)+10\sqrt{37}}{2*2}=\frac{-10+10\sqrt{37}}{4}
$