Seven squared = 7 x 7 = 49

2 x 2 x 2 x 7 x 7 is equal to 2 cubed times 7 squared. 2 cubed is equal to 8, and 7 squared is equal to 49. Therefore, 2 x 2 x 2 x 7 x 7 is equal to 8 x 49 = 392.

This is called an inequality. If x squared is greater than or equal to 49, then x is plus or minus 7 or greater than plus 7 or less than - 7.

They are equal. 7 squared is 7 x 7, which equals 49. 6 x 7 = 42, plus another 7 = 49.

49 = (±7)2 x2<=49 => -7 <= x <= 7

Without an equality sign the expression given can't be considered to be an equation and therefore has no solution.

It does not equal anything.The inequality implies that x sqrt(7) where sqrt represents the principal square root.

If x is equal to 5, then x squared plus 25 is equal to 50.

Yes, x times x equals x squared.

only when x is equal to 2

do you mean (x2)(x2)(x)(x) would equal x6

yes, 7 squared = 7x7=49

13 squared x 4 squared is equal to 2,704.

144 squared x 36 squared is equal to 26,873,856.

2 x cosine squared x -1 which also equals cos (2x)

Yes. Both expressions are the same.

It's equal to positive b squared, or (b x b) .

0.0000

If x squared = 40 then x = square root of 40 = +/- 6.3255555

Yes because 7 squared is equal to 49

No, not strictly speaking. Length squared would have the same units as area but is not equal to it. Length x width is area. If I have a rectangle that is 4m wide x 7m in length then the area would be 7x4 = 28 m2. But length squared would be 7 x 7 = 49m2 which is incorrect.

8 squared x 2 is equal to 128.

3 squared is 3 x 3 or 9.

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