for questions 4 & 5

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

Taber invested money in an account where interest is compounded every year. he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?