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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
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In matrix multipliccation when does A plus B times A minus B equals A squared minus B squared?
All the time
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You have to put your heart into it!
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The answer depends on what the question is!
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Prove identity sin4x equals 4sinxcosx times 1 minus 2sin squared x?
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In matrix multipliccation when does A plus B times A minus B equals A squared minus B squared?
All the time
X squared plus y squared minus 1 all cubed then minus the product of x squared times y cubed that all equals 0 How do you solve for y?
You have to put your heart into it!
How do you answer E squared times 2 to the 5th power times 3 divided by 6 to the 7th power times 3 minus 4 squared times pi equals 42?
The answer depends on what the question is!
What is minus 3 squared times 4 squared?
-144
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sin4x=(4sinxcosx)(1-2sin^2x)
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Two plus 3 minus 2 times 1 squared plus 4 times 16 squared minus 4 times 2 is equal to 1,019.
What is sec squared theta times cos squared theta minus tan squared theta?
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Energy equals mass times the speed of light squared.
What is nine squared times two minus four squared?
81 x 2 - 16 = 146
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18
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.
