vbui8390
23.05.2020 •
Mathematics
Which expression is equivalent to this polynomial? 6x2 + 10x − 56=
4(x − 4) − 2(3x2 + 3x − 20)
(3x2 + 5x − 28) + (3x2 − 5x − 28)
4(x − 4) + 2(3x2 + 3x − 20)
(3x2 + 5x − 28) − (3x2 + 5x − 28)
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Ответ:
Step-by-step explanation:
A 4x - 16 - 6x2 - 6x + 40
Solving like terms
-6x2 - 2x + 24
B 3x2 + 5x - 28 + 3x2 - 5x - 28
Solving like terms
6x2 - 64
C 4x - 16 + 6x2 + 6x - 40
Solving like terms
6x2 + 10x - 56
Option C is the correct answer
Ответ: