Question

find x square - 3 x + 2 ​

Answer 1

Step-by-step explanation:

$x^{2} - 3x + 2 \\ \\b ^{2} - 4ac \\ \\ ( - 3) {}^{2} - 4 \times 1 \times 2 \\ \\ 9 - 8 \\ \\ = 1 \\ \\ - b + - \sqrt{b ^{2} } - 4ac \div 2a \\ \\ 3 + - \sqrt{1} \div 2 \\ \\ 3 + 1 \div 2 = 4 \div 2 = 2 \\ \\ 3 - 1 \div 2 = 2 \div 2 = 1$