Question

TThe expression 3(x2 − 1) − (x2 − 7x + 10) is equivalent to
2x2 − 7x + 7
2x2 + 7x − 13
2x2 − 7x + 9
2x2 + 7x − 11
a
(4)
b
(1)
c
(3)
d
(2)

Answer 1

Answer:

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