x2 - 2x = 63 x2 - 2x - 63 = 0 Find two factors of -63 that add to -2 (including the sign). These are (-9,7) so, x2 - 9x + 7x - 63 = 0 x*(x-9) + 7*(x-9) = 0 (x-9)*(x+7) = 0 and so x - 9 or x = -7
All the time
You have to put your heart into it!
The answer depends on what the question is!
-144
sin4x=(4sinxcosx)(1-2sin^2x)
All the time
You have to put your heart into it!
The answer depends on what the question is!
-144
sin4x=(4sinxcosx)(1-2sin^2x)
Two plus 3 minus 2 times 1 squared plus 4 times 16 squared minus 4 times 2 is equal to 1,019.
Tan^2
81 x 2 - 16 = 146
18
no
Positive (Plus) times Negative (Minus) always equals a negative (minus).
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