Question

Factorise the following algebraic expression by using suitable identity : a²x²–25.​

Answer 1

Answer:

(ax+5)(ax-5)

Step-by-step explanation:

• a²x²-25
• (ax)²-(5)²
• (ax+5)(ax-5) [using the identity x²-y²=(x+y)(x-y)]

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Answer 2

Answer:

(ax+5)(ax-5)

Step-by-step explanation:

a²x²_25

(ax)²_(5)²

the identity is a²_b²=(a+b) (a_b)

(ax+5) (ax_5)

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