8878
-5x(3x - 1)
8n(5n+8)
4x2yz + 2xy2z + 2xyz = 2xyz(2x + y + 1) Not sure what check mentally entails.
With the factor 4a plus 8b 16c you can find the answer and check it mentally. You would first have to find he product of all the numbers to find the value of the letter A.
8878
6a squared-8ab+2a factor completely and check mentally
-5x(3x - 1)
5x(3x + 1)
8n(5n+8)
4x2yz + 2xy2z + 2xyz = 2xyz(2x + y + 1) Not sure what check mentally entails.
With the factor 4a plus 8b 16c you can find the answer and check it mentally. You would first have to find he product of all the numbers to find the value of the letter A.
12n2 plus 8n?
10a * (a + 2)
(x + 9)(x + 4)
(x+3)(x+3)
5x(7xy + 6x + 8)