<span><span>12<span>x3</span>+2<span>x2</span>−30x−5</span><span>12<span>x3</span>+2<span>x2</span>-30x-5</span></span> Group the first two terms and the last two terms.<span><span><span>(12<span>x3</span>+2<span>x2</span>)</span>+<span>(−30x−5)</span></span><span><span>(12<span>x3</span>+2<span>x2</span>)</span>+<span>(-30x-5)</span></span></span>
Factor out the greatest common factor (GCF) from each group.<span><span>2<span>x2</span><span>(6x+1)</span>−5<span>(6x+1)</span></span><span>2<span>x2</span><span>(6x+1)</span>-5<span>(6x+1)</span></span></span>
Factor the polynomial by factoring out the greatest common factor, <span><span>6x+1</span><span>6x+1.</span></span><span><span><span>(6x+1)</span><span>(2<span>x2</span>−5)</span></span><span><span>(6x+1)</span><span>(2<span>x2</span>-5<span>)</span></span></span></span>
