(40 Points) Solve each equation by completing the square.If necessary,round to the nearest hundredth. 10.) b2+10b=75 11.) y2-18y=63 12.) n2-20n=-75 13.) a2+16a=-15

(40 Points)

Solve each equation by completing the square.If necessary,round to the nearest hundredth.
10.) b2+10b=75
11.) y2-18y=63
12.) n2-20n=-75
13.) a2+16a=-15
14.) t2+8t-9=0
15.) h2-12h-9=0

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