Factorise this expression: *
16x²-25y²
Answers
Answered by
16
Step-by-step explanation:
16x² - 25y²
(4x)² - (5y)²
since as we know a² - b² = (a - b)(a + b)
thus
(4x - 5y)(4x + 5y) ans
Answered by
7
Answer:
=16x²-25y²
=4x²-5y²
=(4x+5y)(4x-5y)
Similar questions