Question

Solve the quadratic equation (2x – 1)(x + 2) = 3. Give your answer correct to two significant

Answer 1

Answer:

$(2x - 1)(x + 2) = 3$

$2x( x + 2) - 1( x + 2) = 3$

$2 {x}^{2} + 4x - 1x + 1 = 3$

$7 {x}^{4} - 1 = 3$

$6 {x}^{4} = 3$

${x}^{4} = \frac{3}{6}$

${x}^{4} = 2$

$i \: cannot \: give \: the \: signification$

$hope \: its \: help \: full \: for \: you$