Algebra 2 homework help?

2010-01-08 3:08 pm
How do you multiply -2x(x-1)?
Show you steps please! Thank you :)

回答 (6)

2010-01-08 3:24 pm
✔ 最佳答案
-2x(x - 1)
= -2x(x) - (-2x)(1)
= -2x^2 + 2x
2010-01-08 6:34 pm
- 2 x ² + 2 x
2010-01-08 3:23 pm
-2x(x-1)
= -2x(x)-(-2x)(1)
= -2x^2+2x or -2(x^2-x) or 2(-x^2+x)
2010-01-08 3:15 pm
-2x(x-1) = x(-2x)-1(-2x)
= -2x²+2x
2010-01-08 3:13 pm
-2x^2+2x. its just distributing where u multiply number in front by whats in parenthesis
2010-01-08 3:13 pm
-2x(x - 1) = (-2x)(x) - (-2x)(-1) = -2x^2 + 2x
參考: I have taught math for over 40 yr.


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