Answers

2016-06-23T21:23:08+08:00
F(x) = -2x2 + 2x-2
First, multiply -2 to 2.
= -4 + 2x-2
Next, transpose then group like terms.
= 2x + (-2-4)
Always copy the sign if it isn't transposed to the other side of equal sign.
= 2x + (-6)
Always use parenthesis if the signs are not the same, then multiply.
= 2x - 6
f(x) = 2x-6 ✔
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