Question

1. Evaluate 7m + 3mn; when m=8 and n=14?

Answer 1

Answer:

1. 392

2. 75

3. $12x^{2} - 5x -2$

Step-by-step explanation:

1. 7×8 + 3×8×14 = 56 + 336 = 392

2. 675 ÷ (6 + 3) = 675 ÷ 9 = 75

3. $12$$x^{2}$ + $3x -$ $8x - 2$ = $12x^{2} -5x-2$