3 years ago

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

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

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