Question

Use a suitable identity to get each of the following products

b) (x - 4 )( x - 7)​

Answer 1

Answer:

x^2-3x-28

Step-by-step explanation:

there is no sign between them it means they multiple together like

x(x-7)+4(x-7)put+4because if put -4 then -- + in x-7

x^2-7x +4x-28

now x^2 -3x -28 ans