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The square root of 4 is 2, if you multiply that by the square root of 49, which is 7, you get 14.
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49
if x^2 = 49, then the square root property says you can take the square root of both sides as long as you make one a plus-minus. x^2 = 49, which means square root of x^2 = plus minus the square root of 49 the square root of 49 is 7, so +- 7. We get: x = plus/minus 7 (this means either positive 7 or negative 7)
49 is equivalent to the square of 7, as 7 multiplied by 7 equals 49. In mathematical terms, 49 is also the result of 7 raised to the power of 2 (7^2). Additionally, 49 can be expressed as the square root of 2401, as the square root of 2401 is 49.