Question

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

Answer 1

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