Question

if 2x^2+1=33 then the value of X will be
a) _+2
b) _+3
c) _+4
d). _+1

Answer 1

${2x}^{2} + 1 = 33 \\ 2{x}^{2} = 32 \\ {x}^{2} = 16 \\ x = - 4 \: or \: + 4 \\ so \: option \: c \: is \: the \: right \: answer$