Question

factorise 18a²x²-16x^4​

Answer 1

Answer:

18a²x² - 16x⁴

18a²x² = 2(9a²x²)

16x⁴ = 2(8x⁴)

2[9a²x²] - 2[8x⁴]

2[3ax]² - 2[8x⁴]

2[(3ax)² - (8x⁴)]

Hope it helps

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Answer 2

Answer:

2ax^2-x^2

Step-by-step explanation:

18a^2 x^2

16 x^4

—. –

________

2a^2–x^2