Question

factorise 18 a square minus 50​

Answer 1

Step-by-step explanation:

$18 {a}^{2} - 50 \\ = 2(9 {a}^{2} - 25) \\ = 2( {(3a)}^{2} - {5}^{2} ) \\ = 2(3a - 5)(3a + 5) \: \: \: \: \: \: \: by \: identity \: ( {a}^{2} - {b}^{2} = (a - b)(a + b)$

factors are 2, (3a - 5), (3a + 5)

hope you get your answer

Answer 2

Answer:

After factorising we will get the answer as

2(3a-5)(3a+5)