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1.7w^2=10.625
We move all terms to the left:
1.7w^2-(10.625)=0
We add all the numbers together, and all the variables
1.7w^2-10.625=0
a = 1.7; b = 0; c = -10.625;
Δ = b2-4ac
Δ = 02-4·1.7·(-10.625)
Δ = 72.25
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}$$w_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$w_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-\sqrt{72.25}}{2*1.7}=\frac{0-\sqrt{72.25}}{3.4} =-\frac{\sqrt{}}{3.4} $$w_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+\sqrt{72.25}}{2*1.7}=\frac{0+\sqrt{72.25}}{3.4} =\frac{\sqrt{}}{3.4} $
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