Question

1. Find the products.
(a) (3x + 4)(7x - 9​

Answer 1

Answer:

$(3x + 4) \times (7x - 9)$

$= 21x {}^{2} - 27x + 28x - 36$

$= 21x {}^{2} + x - 36$

Answer 2

Answer:

=> (3x+4)(7x-9)

=> 3x(7x-9)+4(7x-9)

=> 21x²-27x+28x-36

=> 21x²+ x- 36

hope u understand