<p>For number 1, you can multiply the top and bottom by the conjugate: 2 + sq.rt. of 4 + x</p>
<p>…I’m not sure how to solve the other one, sorry.</p>
<p>For number 1, you can multiply the top and bottom by the conjugate: 2 + sq.rt. of 4 + x</p>
<p>…I’m not sure how to solve the other one, sorry.</p>