Question

25 x square - 144 factorise​

Answer 1

25x²-144=0

25x²=144

x²=144/25

x= 12/5

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Answer 2

Answer:

(5x + 12)(5x − 12)

Step-by-step explanation:

25x² - 144

25x²−144 is a difference of squares,

25x² ⇒ 5²x²

144 ⇒ 12²

In the form

a² - b², where a = 5x², b = 12

5²x² - 12² ⇒ (5x - 12) ( 5x + 12)

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