Factor:
{{{-70a^4+68a^3-16a^2}}} Rewrite this as:
{{{highlight(-2a^2)*(35a^2)+highlight(-2a^2)(-34a^2)+highlight(-2a^2)(8)}}} Now factor the common factor of {{{highlight(-2a^2)}}}
{{{(-2a^2)(35a^2-34a+8)}}} Now factor the trinomial.
{{{highlight_green((-2a^2)(7a-4)(5a-2))}}}