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Fed [463]
3 years ago
6

Write a sum in standard form. A) h(x)+k(x)

Mathematics
1 answer:
denpristay [2]3 years ago
7 0

Answer:

x^2 + 2x - 8

Step-by-step explanation:

h(x) + k(x) = (2x^2 + 5x - 12) + (-x^2 - 3x + 4)

Add Like Terms

(2x^2 + 5x - 12) + (-x^2 - 3x + 4)

2x^2 - x^2 = x^2

(2x^2 + 5x - 12) + (-x^2 - 3x + 4)

5x - 3x = 2x

(2x^2 + 5x - 12) + (-x^2 - 3x + 4)

-12 + 4 = -8

x^2 + 2x - 8

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