2x2 + 8x + 3 = 0

2 answers

Does x mean multiply or an unknown?

What is this? 2x2
let's assume you mean
2x^2 + 8x +3 = 0
since it does not factor, let's use the formula

x = (-8 ± √40)/4
= (-8 ± 2√10)/4
= (-4 ± √10)/2