Question

A) 2x²- 4x - 6=0
b) x²- 36
c) 16x - 36= 0
d) (x+4)²=6
doy corona

Answer 1

A) 2x²- 4x - 6=0

x²-2x-3 = 0

(x+1)(x-3) = 0

x1 = 3

x2 = -1

b) x²- 36 =0

(x+6)(x-6)

x1= 6

x2= -6

c) 16x - 36= 0

16x = 36

x = 2.25

d) (x+4)²=6

x+4 = /6

x+4 = 2.449

x1 = −1.551

x2 = −6.449