A woman bought some large frames for $18 each and some small frames for $4 each at a closeout sale. If she bought 16 frames for
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→ 6x² - 2x - 20
→ 6x² + 10x - 12x - 20
→ x(6x + 10 ) - 2 (6x + 10)
→ (6x + 10) (x - 2) .
for
6x - 10 = 0
6x = 10
for x - 2
x = 2