What value of x solves: 8(2x+1)-3(3x+2)=2(x+5)?

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

Can someone me with this problem i don't understand i need

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).