Respuesta :
Answer:
7×7=(5×7)+(2×7)
= 35+14
=49
Step-by-step explanation:
The first 7 was broken up into 2 and 5 and then multiplied separately with 7 as it is easier to multiply smaller numbers with 7. 5 × 7 =35. Add up that number with 14 and you get 49, which is the answer of 7 × 7.