Question 270281
{{{2(x^2 - 1) - 3(x + 5) }}} Start with the given expression.



{{{2x^2 + 2(-1) - 3x -3(5) }}} Distribute.



{{{2x^2 -2 - 3x -15 }}} Multiply.



{{{2x^2 - 3x -17 }}} Combine like terms.



So {{{2(x^2 - 1) - 3(x + 5) = 2x^2 - 3x -17}}}