Question

How to use distributive property in this equation 2x (x-4)=12

Answer 1

Answer:

2×(x-4)=12

(x-4)=12÷2

x-4 =6

x=6+4

x=10

Answer 2

Answer:

{ - 2, 6}

Step-by-step explanation:

a(b ± c) = ab ± ac

2x(x - 4) = 12

2x * x - 2x * 4 = 12

2x² - 8x - 12 = 0 ⇔ x² - 4x - 6 = 0 ⇔ (x - 6)(x + 2) = 0

$x_{1}$ = 6 and $x_{2}$ = - 2

{ - 2, 6}