Let's simplify step-by-step.<span><span>2<span>(<span><span>3n</span>+4</span>)</span></span>−<span>2<span>(<span><span>2n</span>+5</span>)</span></span></span>Distribute:<span>=<span><span><span><span><span>(2)</span><span>(<span>3n</span>)</span></span>+<span><span>(2)</span><span>(4)</span></span></span>+<span><span>(<span>−2</span>)</span><span>(<span>2n</span>)</span></span></span>+<span><span>(<span>−2</span>)</span><span>(5)</span></span></span></span><span>=<span><span><span><span><span><span>6n</span>+8</span>+</span>−<span>4n</span></span>+</span>−10</span></span>Combine Like Terms:<span>=<span><span><span><span>6n</span>+8</span>+<span>−<span>4n</span></span></span>+<span>−10</span></span></span><span>=<span><span>(<span><span>6n</span>+<span>−<span>4n</span></span></span>)</span>+<span>(<span>8+<span>−10</span></span>)</span></span></span><span>=<span><span>2n</span>+<span>−<span>2</span></span></span></span>