Please help me!!! :(
Question 3.x(x)Question 4.x=0 onlyI am not sure about question 5 sorry.
Question 3x(x + 12) = 0x(x) = 0Question 4x = 0 or -1Question 5 3rd boxx² - 49 = 0x² = 49√x² = √49x = 7