Question

4. Find the following Products
a) (x + 3)(x + 7)
b) (2x + 5y) (4x - 3y)​

Answer 1

Answer:

ans in the image hope it's help you

Answer 2

Answer:

A. (x + 3)( x+7 ) = x^2 + 7x + 3x + 21

x^2 + 10x + 21

x^2 + 7x + 3x + 21

x( x + 7 ) 3(x + 7 )

x+7 and x+3

x = -7 and x = -3

B. 8x^2 - 6xy + 20xy - 15xy