Question

3 x(5x2 - 1) +10-15+5​

Answer 1

Answer:

27

Step-by-step explanation:

3×(10-1)+10-10

3×(9)+0

27

Answer 2

Answer:

3×(5×2-1)+10-15+5

3×(10-1)+10-15+5

3×9+10-15+5

27+10-15+5

27-5+5(10-15=-5)

=27