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nekit [7.7K]
3 years ago
6

Find the difference. (5x2 + 2x + 11) − (7 + 4x − 2x2)

Mathematics
2 answers:
belka [17]3 years ago
7 0

Answer:

7x^2-2x+4

Step-by-step explanation:

(5x^2+2x+11)-(7+4x-2x^2)

Breaking the parentheses using the law of signs for addition / subtraction:

5x^2+2x+11-7-4x+2x^2

Combining like terms:

(5x^2+2x^2)+(2x-4x)+(11-7)

add/subtract like terms:

7x^2-2x+4

k0ka [10]3 years ago
6 0
<span>(5x^2 + 2x + 11) − (7 + 4x − 2x^2)
= </span>5x^2 + 2x + 11 − 7 - 4x +  2x^2
= 7x^2 - 2x + 4
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