-38
You square the number in the parentheses.
18 to the 2nd power is 324. To solve you just take 18 and times it by 18. It is the same with any power problem.
x = -3
1.5 to the 2nd power equals 2.25
Seven to the 2nd power equals 49
Solve the 1st persons stress problem then the 2nd one
The number that equals the 2nd power of 49 is the square root of 49. In this case, the square root of 49 is 7, because 7 multiplied by itself (7^2) equals 49. Therefore, the number that equals the 2nd power of 49 is 7.
There is a formula for "the difference of squares." (x + 7)(x - 7) = 0 x = 7, -7
logx^2=2 2logx=2 logx=1 10^1=x x=10
15 to the 2nd power or 15 squared equals 15 * 15 which equals 225.
3x2 = 21 describes two single values, and does not have an x intercept. 3x2 = 21 ∴ x2 = 7 ∴ x = ±√7
a, a^3*a^-2 is a^3+-2 which equals just a