Question 328287
Solve by factoring:
{{{7z^2+60z = -32}}} Add 32 to both sides.
{{{7z^2+60z+32 = 0}}} Factor the trinomial.
{{{(7z+4)(z+8)}}} Apply the zero product rule.
{{{7z+4 = 0}}} or {{{z+8 = 0}}} so...
{{{7z = -4}}} or {{{highlight(z = -8)}}}
{{{highlight(z = -4/7)}}}