I think this is √2n-5 = 10.
Answer:
x=−3 or x=5
Step-by-step explanation:
x2−2x−15=0
Step 1: Factor left side of equation.
(x+3)(x−5)=0
Step 2: Set factors equal to 0.
x+3=0 or x−5=0
x=−3 or x=5
The answer is
Exact form: -35/18
Decimal form:-1.94444444...
Mixed number form: -1 17/18
Usually decimal numbers have in tenths(0) and hundreths (9). So 9 is in the hundreths place.