Answer:
The second graph near the bottom with a Y-intercept of -1
Grouping method works best on this one:
<span>ab+a+4+4b=a<span>(b+1)</span>+4<span>(b+1)</span></span>
<span>=<span>(a+4)</span><span>(b+1<span>)
</span></span></span>
To be honest I really don’t know sorry for not helping
