Question

Solve the equation for x and simplify the answer if possible.Indicate which solving technique is used,Linear,Factor,SRP,QF 2x^2+1=19

Equations and inequalities
ANSWERED
asked 2020-10-26
Solve the equation for x and simplify the answer if possible.Indicate which solving technique is used,Linear,Factor,SRP,QF
\(\displaystyle{2}{x}^{{2}}+{1}={19}\)

Expert Answers (1)

2020-10-27
\(\displaystyle{2}{x}^{{2}}+{1}={19}\)
\(\displaystyle{2}{x}^{{2}}+{1}={19}\)
\(\displaystyle{2}{x}^{{2}}={19}-{1}\)
\(\displaystyle{2}{x}^{{2}}={18}\)
\(\displaystyle{x}^{{2}}={9}\)
\(\displaystyle{\left({x}+{3}\right)}{\left({x}+{3}\right)}\)
Final statement:
The value of x is 3 and -3 and the technique is factor.
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