x2 + x = 6, therefore x2 + x - 6 = 0
This can be factored : x2 + x - 6 = (x + 3)(x - 2) = 0
This equation holds true when x + 3 = 0 or x - 2 = 0.
When x + 3 = 0 then x = -3 : When x - 2 = 0 then x = 2
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This is the common form of the Pythagorean Theorem. It describes the relationship between the two legs of a right triangle and the hypotenuse.
6 squared plus 9 squared is equal to 117.
find out what 6 squared equals. which is 6 x 6 and that equals 36
+6
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.