How do you factorize 4y²-9?
回答 (8)
✔ 最佳答案
4y^2-9
=(2y+3)(2y-3) answer
a^2 - b^2 = (a + b)(a - b)
4y^2 - 9
= (2y)^2 - 3^2
= (2y + 3)(2y - 3)
it can b riten in to ((2y)^2-3^2)
u can also rit it as (2y-3)(2y+3)
收錄日期: 2021-05-01 11:51:16
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