Question

solve each of the following quadratic equations ​

Answer 1

Answer:

x=6or -6

Step-by-step explanation:

3x²-243=0

a=3,b=0,c=243

√b²-4ac=√(0)²-4*3*243=√-2916=-54

x=-b+or -√b²-ac/2a

x=+or-(-54)/2*3

x=-54/6 or x= 54/6

x=-6 or x= 6

Answer 2

Answer:

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