16p² – 4=(4p-2)(4p+2)
к² - 100а²=(k-10a)(k+10a)
9x² – y²=(3x-y)(3x+y)
49 – 16c²=(7-4c)(7+4c)
25x² – q²=(5x-q)(5x+q)
81p² – c²=(9p-c)(9p+c)
16p² – 4=(4p-2)(4p+2)
к² - 100а²=(k-10a)(k+10a)
9x² – y²=(3x-y)(3x+y)
49 – 16c²=(7-4c)(7+4c)
25x² – q²=(5x-q)(5x+q)
81p² – c²=(9p-c)(9p+c)