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timofeeve [1]
3 years ago
11

Test the solution x=3 for each equation

Mathematics
2 answers:
Flura [38]3 years ago
8 0

Answer: this is not equivalent 81-12+7=11

Step-by-step explanation: this is not equal because 81-12 is 69 and 69+7 will give you 76 witch is not equal to 11

Crank3 years ago
8 0

Answer:

[see below]

Step-by-step explanation:

3x^2-4x+7=11\\\\3(3)^2-4(3)+7=11\\\\3*3^2-12+7=11\\\\3^3-12+7=11\\\\27-12+7=11\\\\27-5=11\\\\\boxed{22\neq 11}

3 would not be a solution to the equation.

Hope this helps!

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