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This is a pretty straitforward algebra problem. 2x2 - 5 = 93 Add five to both sides of the equation. 2x2 = 98 Divide both sides by two. x2 = 49 Take the square root of both sides. SQRT(x2) = SQRT(49)
x = +/- 7 Note that the square root of 49 has two solutions: +7 and -7, because 72 = (-7)2 = 49.
What else can I help you with?
What is x squared minus 7 equals 1?
square root of 8
How do you solve x squared minus 10 equals 0?
If x squared -10 = 0 then x = the square root of 10
What is a if the square root of 4a squared equals 21?
sqrt(4a2) = 21plus or minus (2a) = 21plus or minus (a) = 10.5a = +10.5a = -10.5
Can you solve x squared minus 4x minus 2 equals 0?
Yes and x = 2+square root of 6 or x = 2-square root of 6
If x squared minus y squared equals 10 and x plus y equals 5 what is x minus y?
2
When you subtract 2 square numbers the answer is twelve?
4 squared minus 2 squared equals 12
What is x squared minus 7 equals 1?
square root of 8
How do you do pythagorean theorem when you have a and c?
B squared equals c squared minus a squared then to find B take the square root of you answer for b squared
How do you solve x squared minus 10 equals 0?
If x squared -10 = 0 then x = the square root of 10
What is a if the square root of 4a squared equals 21?
sqrt(4a2) = 21plus or minus (2a) = 21plus or minus (a) = 10.5a = +10.5a = -10.5
Can you solve x squared minus 4x minus 2 equals 0?
Yes and x = 2+square root of 6 or x = 2-square root of 6
What are the terms of a quadratic equation?
x equals negative b plus or minus the square root of b squared minus 4bc over 2a
If x squared minus y squared equals 10 and x plus y equals 5 what is x minus y?
2
What is the square root of 28 minus the squared root of 7?
The square root of 28 minus the squared root of 7 =±2.64575131
Three squared minus 2 squared equals?
It is: 9-4 = 5
What is A squared plus 6 squared equals 12 squared?
a2 + 62 = 122 a2 + 62 - 62 = 122 - 62 a2 = 144 - 36 a2 = 108 taking the square root of each side, we get a equal plus or minus the square root of 108, or plus or minus 6 times the square root of 3.
In matrix multipliccation when does A plus B times A minus B equals A squared minus B squared?
All the time
