Practice Questions

Question 7 « Prev Next »

For all \[x,\ x^2−(3x−2)+2x(4x−1)=?\]

VIEW ANSWER
Answer: \[9x^2−5x+2\]

Explanation

To solve this problem, combine like terms.

Remember to keep track of the negative signs!

\[x^2−(3x−2)+2x(4x−1)\]

\[x^2−3x+2+8x^2−2x\]

\[9x^2−5x+2\]

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