</span><span><span>heres step by step −<span>5x</span></span>=<span><span>(<span><span>−<span>4<span>x2</span></span></span>−<span>2x</span></span>)</span><span>(<span><span>−<span>x2</span></span>−9</span>)</span></span></span><span><span>−<span>5x</span></span>=<span><span><span><span>4<span>x4</span></span>+<span>2<span>x3</span></span></span>+<span>36<span>x2</span></span></span>+<span>18x </span></span></span>heres step by step
Step 1: Subtract 4x^4+2x^3+36x^2+18x from both sides
<span><span>x<span>(<span><span><span><span>−<span>4<span>x3</span></span></span>−<span>2<span>x2</span></span></span>−<span>36x</span></span>−23</span>)</span></span>=0</span>Step 3: Set factors equal to 0.<span><span>x=<span><span><span><span><span>0<span> or </span></span>−<span>4<span>x3</span></span></span>−<span>2<span>x2</span></span></span>−<span>36x</span></span>−23</span></span>=0</span><span><span>x=<span><span>0<span> or </span></span>x</span></span>=<span>−0.63297</span></span>