Question

1. (
5x + 7)(3x + 4)​

Answer 1

Answer:

15x^2+41x+28

Step-by-step explanation:

5x(3x+4)+7(3x+4)

=15x^2+20x+21x+28

=15x^2+41x+28

Answer 2

Answer:

$1. (5x+7)(3x+4)\\\\=5x(3x+4)+7(3x+4)\\\\=15x^{2} +20x+21x+28\\\\=15x^{2} +41x +28$

Step-by-step explanation:

HOPE THIS HELPS YOU