\(8x^2+10x-3\)
\(=8x^2-2x+12x-3\)
\(=2x\left(4x-1\right)+3\left(4x-1\right)\)
\(=\left(2x+3\right)\left(4x-1\right)\)
\(8x^2-2x-1\)
\(=8x^2+2x-4x-1\)
\(=2x\left(4x+1\right)-\left(4x+1\right)\)
\(=\left(2x-1\right)\left(4x+1\right)\)
Bạn học thật tốt nhé!