army please help me with this it took me hours to solve this it came from further expansion and factorisation of algebraic expressions
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5a² - 60a + 180 = 0
5a² - 30a - 30a + 180 = 0
5a (a-6) - 30 (a-6) = 0
(5a-30) (a-6) = 0
a = +30/5 or a = +6
Therefore , a = 6.
hope it helps..
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photosynthesis is the process by which plants make their own food
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