Question

b) y - 10x = 0
c) 4x2 - 16 = 0.
d) x (x + 3) = 3.(X+3)​

Answer 1

Resposta:

Explicação passo-a-passo:

b) y - 10x = 0

y = 10x

c) 4x2 - 16 = 0.

4x^2 = 16

x^2 = 16/4

x^2 = 4

x = V4

x = 2

d) x (x + 3) = 3.(X+3)​

x^2 + 3x = 3x + 9

x^2 +3x - 3x = 9

x^2 = 9

x = V9

x = 3