Question

7x^2-21x=0 factorise​

Answer 1

Answer:

$7 {x}^{2} - 21x = 0 \\ or. \: \: 7x(x - 3) = 0 \\ or. \: \: 7x = 0 \: \: \: \: or. \: \: x - 3 = 0 \\ or. \: \: x = 0 \: \: \: \:or. \: \: x = 3$

X = 0 or, 3

It's your answer.

Answer 2

Answer:

$x=0, 3$

Step-by-step explanation:

$7x^2-21x=0\\7(x^2-3x)=0\\x^2-3x=0\\x(x-3)=0\\x=0, 3$