4dfn
Step-by-step explanation:
Let's solve for a.
x2+4andfβ1x=βxβ4
Step 1: Add -x^2 to both sides.
4adfn+x2βx+βx2=βxβ4+βx2
4adfnβx=βx2βxβ4
Step 2: Add x to both sides.
4adfnβx+x=βx2βxβ4+x
4adfn=βx2β4
Step 3: Divide both sides by 4dfn.
4adfn
4dfn
=
βx2β4
4dfn
a=
βx2β4
4dfn
a=
βx2β4
4dfn