(4x + 11y)(4x - 11y)
Answers
Answered by
7
Step-by-step explanation:
using using (a + b) (a - b) = a² - b²
where a = 4x , b = 11y
(4x)² - (11y)²
16x² - 121y²
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Answered by
4
Answer:
16x^2-121y^2
Step-by-step explanation:
using identity
(a+b)(a-b)=a^2-b^2
so,
(4x)^2-(11y)^2
16x^2-by^2
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