(9x2 + 7)(9x2 - 7) = 81x4 - 49
To square a number, multiply it by itself, so 7 squared, also written as 72, is 7 x 7, or 49.
3 squared is 9, 5 squared is 25. So the product is 225.
Oh, dude, when you add 6x squared and 2x squared, you get 8x squared. It's like combining 6 apples with 2 apples and ending up with 8 apples. So, in math terms, 6x squared plus 2x squared equals 8x squared. Easy peasy!
The square root of 28 minus the squared root of 7 =±2.64575131
4 squared means multiplied by itself so 2 squared is 2 times 2 which is 4 if i took 7 squared, that would be 7 times 7 which is 49
42
Seven squared = 7 x 7 = 49
it`s 81. Anything squared means timed the number you`re timing it with. For example. 7 squared= 7 times 7 3 squared= 3 times 3. Hope I helped! (^_^)
7 times 7 times a times x times x = 49ax2
It factors squared are: 7 times 7 = 49
3 squared = 97 squared = 49Therefore, the sum is 9 x 49 x 8.This is equal to 3528.
1 x 314 and 2 x 157
10 feet.
The circumference is 62.815 units.
Seven squared times two cubed is equal to 392.
21.