Advanced MathMediumCoefficient of x in a product of two binomials
Advanced Math practice question
When (x + 5)(x − 2) is written in the form x² + bx + c, what is the value of b?
Answer: 3
5x − 2x = 3x.
Common wrong answers
- If you answered 7
- 7 adds 5 and 2.
- If you answered -10
- −10 is c.
- If you answered -3
- −3 has the sign wrong.
More Advanced Math questions
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What are the solutions to x² + 6x + 8 = 0?
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