Math, asked by geethikasri87, 8 months ago

find the errors and correct the following mathematical sentence.

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Answered by chugharun009gmailcom

2

Answer:

a) (-3)² + 7(-3) +12 = 9 - 21 + 12 = 0

b) (-3)²- 5(-3) + 6 = 9 + 15 + 6 = 30

c) (-3)² + 5(-3) = 9 - 15 = -6

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