Question

1.(5X+7) × (3X+4)
2. (3M-4N) × (2M-3N)​

Answer 1

Answer:

1.

$(5x+7) * (3x+4)\\\\15x^2+20x+21x+28\\\\15x^2+41x+28$

2.

$(3M-4N) *(2M-3N)\\\\6M^2-9MN-8MN+12N^2\\\\6M^2-17MN+12N^2$