Please help me with these two questions;-; Solve 5x^2= 180 algebraically ( the 5x is squared)

Solve the quadratic equation for the exact values of x
4x^2-5=75

The local farm is advertising a special on fresh picked peaches. the farm charges $4.25 to pick your own peck of peaches and $3.50 for each additional peck you pick. write an equation for the total cost of peaches in terms of the number of pecks. deine your variables. how much does it cost to pick 3 pecks of peaches?

Can someone me do math because i am having a breakdown rn because i don’t get it

Solve this problem! extra ! 3025/5.5 = a/90.75