Answer:
To solve a quadratic equation by factoring,
Put all terms on one side of the equal sign, leaving zero on the other side.
Factor.
Set each factor equal to zero.
Solve each of these equations.
Check by inserting your answer in the original equation.
Step-by-step explanation:
Look it up hope this helps
Answer: y= -4cos (pi/4x)-3
Step-by-step explanation:
(-6y-2)+5(3+2.5y) expend
-6y-2+15+12.5
6.5y+13
