Factorize: 4x⁴+8x³+8x²+4x+1 Best Answer will be marked as brainliest!
Answers
4x4+8x3+8x2+4x+1=a2x4+2abx3+2ab2cx2+2bcx+c
Let’s remove all terms that don’t involve b, as they’ll cancel out when a and c are set equal to 2 and 1 respectively.
8x3=2(2)bx3
8x2=2(2)b2(1)x2 // probably a really silly mistake somewhere
4x=2bcx
Now, let’s remove x from both sides of all three equations, since they are indubitably equal.
8=4b
8=4b2 //probably a really silly mistake somewhere.
4=2b
So, two of them point out that the vector <a,b,c>=<2,2,1>
Therefore the function is equal to (2x2+2x+1)2
is equal to 2x2(2x2+2x+1)+2x(2x2+2x+1)+1(2x2+2x+1)
is equal to 4x4+4x3+2x2+4x3+4x2+2x+2x2+2x+1
is equal to 4x4+8x3+8x2+4x+1 .
Therefore the square root of the function is equal to 2x2+2x+1.
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