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

A) h(x)+k(x)

Write a sum in standard form. A) h(x)+k(x)-example-1
User Will Palmer
by
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1 Answer

18 votes
18 votes

Answer:

x^2 + 2x - 8

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

User David Bodow
by
3.6k points
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