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2w^2-24=600
We move all terms to the left:
2w^2-24-(600)=0
We add all the numbers together, and all the variables
2w^2-624=0
a = 2; b = 0; c = -624;
Δ = b2-4ac
Δ = 02-4·2·(-624)
Δ = 4992
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$w_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$w_{2}=\frac{-b+\sqrt{\Delta}}{2a}$
The end solution:
$\sqrt{\Delta}=\sqrt{4992}=\sqrt{64*78}=\sqrt{64}*\sqrt{78}=8\sqrt{78}$$w_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-8\sqrt{78}}{2*2}=\frac{0-8\sqrt{78}}{4} =-\frac{8\sqrt{78}}{4} =-2\sqrt{78} $$w_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+8\sqrt{78}}{2*2}=\frac{0+8\sqrt{78}}{4} =\frac{8\sqrt{78}}{4} =2\sqrt{78} $
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