Question

Solutions to3x2 - 42 = 33

Answer 1

`3x^2\text{ - 42 = 33}`

First, isolate the quadratic term.

`3x^2\text{ = 33 + 42}`
`x^2\text{ = }(75)/(3)`
`x\text{ = }√(25)`

This equation has two solutions:

`x\text{ = 5 or x = -5}`