122k views
0 votes
Fill in the missing number.
(X-4)(x+9)= x2 + ?x - 36

User Roostergx
by
3.9k points

2 Answers

2 votes
5 is correct answer
User Mrh
by
4.2k points
1 vote

Answer:

5

Explanation:

By multiplying the binomials, you get the expression x² + 9x - 4x - 36. Simplify by combining like terms to get x² + 5x - 36. 5 is our missing number and is the coefficient of our x variable.

User Bastianwegge
by
4.1k points