Pythagorean's theorem: Length of Side A squared times the length of Side B squared equals the length of Side C squared in a right triangle. A2+B2=C2
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(a+b)cube = a cube + b cube + 3a square b + 3ab square
a square plus 2ab plus b square
'a' minus 'b' whole cube is equal to 'a cube' minus 'b cube' minus (3 a square b ) plus (3 a b square) . .. .....thanks
X2+5x-6. a=1, b=5, and c=-6 The formula is: -b plus or minus the square root of b squared minus 4ac all over 2a. -b+square root of b2-4ac ---- 2a -5 plus or minus the square root of 5 squared minus 4(1)(-6) -5 plus or minus the square root of 25-4(-6) -5 plus or minus the square root of 25+24 -5 plus or minus the square root of 49 -5 plus or minus 7 Here is where you split into two different answers: Number 1: -5 plus 7= 2 Number 2: -5 minus 7= -12 Your answer is X=2, -12
It's the square root of a2+b2. It cannot be simplified. It is NOT a+b. The answer is c square.