Question

Решите ур-е плиз x²-5x+3=0; x²-8+16=0 ; (2x+1)(x-2)=(x+2)-16

Answer 1

${x}^{2} - 8 + 16 \\ d = 64 - 4 \times 16 = 0 \\ x1 = \frac{8 + 0}{2} = 4 \\ x2 = \frac{8 - 0}{2 } = 4$