Can anyone me to solve these 2 questions i need very clear steps

How many zeros does the function f(x)=4x3-x2+1 have

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.