Question 416845

54. k^2 + 7k + 7k+49

=(k+7)(k+7)

55. r^2 + 3r + 3r + 9

= (r+3)(r+3)

56. y^2 - 8y -8y +64

= (y-8)(y-8)


57. 2t^2 + 6t + 6t + 18

= (2t +6) ( t + 3)


58. (m -8)(m -8) 


59. 4g^2 + 20g + 20g + 100

= (4g + 20 )(g + 5)