3 years ago

Add one set of parentheses to the expression 2x² + 4 - 5 so that the value of the expression is 75 when x = 6

Mathematics

1 answer:

sergiy2304 [10]3 years ago

8 0

Answer:

answer is +4...

Step-by-step explanation:

when x=6, the expression becomes

2(6)^2+ 4-5

2(36)+(-1)

72-1=71

therefore 71+4 gives 75

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