\(=\left(4x^2\right)^2-1^2=\left(4x^2-1\right)\left(4x^2+1\right)\)
\(16x^4\)\(-1\)
\(16x^4\)\(+8x^3\)\(+4x^2\)\(+2x-8x^3\)\(-4x^2\)\(-2x-1\)
\(2\left(8x^4+4x^3+2x^2+x\right)\)\(-1\left(8x^3+4x^2+2x+1\right)\)
\(2x\left(8x^3+4x^2+2x+1\right)\)\(-1\left(8x^3+4x^2+2x+1\right)\)
\(\left(2x-1\right)\)\(\left(8x^3+4x^2+2x+1\right)\)
\(\left(2x-1\right)\)\(\left(2x+1\right)\)\(\left(4x^2+1\right)\)
Làm hơi tắt mong bạn thông cảm
thank you 2 ng nha, tíck cho mấy phát
