Question

please help I will give medals apply the foil method to simplify the following please show work
1.(6k + 2)(k – 7)
2.(w – 10)(w + 5)
3.(2r + 3)2

Answer 1

you know to use the foil method, right? so for the first one
1. 6k x k = 6k^2; 6k x -7 = 42k; 2 x k = 2k; 2 x -7 = -14. then you add those together
6k^2+44k-14

Answer 2

sorry should be 6k^2-40k-14

Answer 3

thanks and could you help with the other two please