graceedwards67 graceedwards67

23-01-2024
Mathematics

Answered

what expression is equilent to x^(2)-7x+12+(x-3)^(2)?

Answer :

justbe9 justbe9

23-01-2024

Answer:

2x²-13x+21

Step-by-step explanation:

x²-7x+12+(x-3)²

square x-3:

x²-7x+12+(x²-6x+9)

(x²+x²)+(-7x-6x)+(12+9)

2x²-13x+21

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