Question

$16m ^{5} - 144m ^{3}$
​

Answer 1

Answer:

x(2x+5) = 3.

2x

2

+5x=3

⇒2x

2

+5x−3=0

2x

2

+6x−x−3=0

2x(x+3)−1(x+3)=0

(2x−1)(x+3)=0 ⇒ 2x-1 = 0 or x+3 = 0

x=

2

1

or x = -3.