75 squared

75² = 75 × 75 = 5,625

To square a number, multiply it by itself. 75 squared is written 75² or 75^2, and the answer is 5,625.

How to work out 75 squared

Direct: 75 × 75 = 5,625.
From the previous square: 74² = 5,476, and 75² = 5,476 + (2 × 75 − 1) = 5,476 + 149 = 5,625.
Split the number: 75 = 70 + 5, so 75² = 70² + 2 × 70 × 5 + 5² = 4,900 + 700 + 25 = 5,625.

Related

75 cubed = 421,875
The square root of 5,625 is 75, so 5,625 is a perfect square.

Squares near 75

Number	Squared
71	5,041
72	5,184
73	5,329
74	5,476
76	5,776
77	5,929
78	6,084
79	6,241

Need another number? Use the exponent calculator or see all squares and cubes.