Question

Anyone able to help with this problem?

http://prntscr.com/15cx98

Answer 1

\[\left(2x+1 \right)*\left(x-4 \right)=1586\]
\[2x^{2}-8x+x-4\]=1586
\[2x ^{2}-7x-1590=0\]
2*-1590=-3180
60-53=7
60*-53=-3180
\[2x ^{2}-\left( 60-53 \right)x-1590=0\]
now you can solve it.