3 years ago

What is (x - 3)2 + 2x - 4 for x=5 ?

1 answer:

7 0

Answer:

$(x - 3)2 + 2x - 4 \\ (5 - 3)2 + 2 \times 5 - 4 \\ (2) \times 2 + 10 - 4 \\ 4 + 10 - 4 \\ 14 - 4 = 10$

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