i am in 3rd year and i am doing pass paper questions :) i am stuck on 2000 paper 1 Q3 which is factorising ! the question is ..
9a squared - 25b squared and i have to factorise it ! please help !
9a squared - 25b squared and i have to factorise it ! please help !
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9a² - 25b² is (3a-5b)(3a+5b)
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Ok ok but first get help with grammar and English.