Question

4.Resolva (x – 2)² = 4 – 9x
HEEELP

Answer 1

Explicação passo-a-passo:

$(x - 2) {}^{2} = 4 - 9x$

$x {}^{2} - 2 x \times 2 + 2 {}^{2} = 4 - 9x$

$x {}^{2} - 4x + 4 = 4 - 9x$

$x {}^{2} - 4x + 9x + 4 - 4 = 0$

$x {}^{2} + 5 x = 0$

$x(x + 5) = 0$

$x + 5 = 0$

$x = 0 - 5$

$x = - 5$

S=>{ 0 e -5}