Answer:
(2x + 11)(2x - 11)
Step-by-step explanation:
Rewrite 4x^2 as (2x)^2 ; transpose 121
= (2x)^2 - 121
Rewrite 121 as 11^2
= (2x)^2 - 11^2
Using the difference of squares formula, a^2 - b^2 = (a+b)(a-b)
Where a = 2x ; b = 11
=(2x + 11)(2x - 11)
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Answers & Comments
Answer:
(2x + 11)(2x - 11)
Step-by-step explanation:
Rewrite 4x^2 as (2x)^2 ; transpose 121
= (2x)^2 - 121
Rewrite 121 as 11^2
= (2x)^2 - 11^2
Using the difference of squares formula, a^2 - b^2 = (a+b)(a-b)
Where a = 2x ; b = 11
=(2x + 11)(2x - 11)