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What is the value of the expression below when: a = -2; b = 3; and c = -5? (a.a) - 2ac +5b

User Aditya Bhatt
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1 Answer

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11 votes

To find the value of an expression we plug the given number in their corresponding places and do the operations:


(a\cdot a)-2ac+5b

plugging the values we have:


((-2)(-2))-2(-2)(-5)+5(3)=4-20+15=-1

Therefore the value of the expression is -1.

User IAkshay
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