Question

Factorise fully

18x^2-200

Answer 1

Answer: 2(3x-10)(3x+10)

Step-by-step explanation:

Step 1- Factor out the greatest common factor. The GCF of 18x^2 and −200 is 2

2(9x^2-100)

Step 2- Now the expression can be factored

(3x)^2 - 10^2

Answer = 2(3x-10)(3x+10)