9x^2 and 5x are not like terms because 9x is being squared and 5x isn't.
Answer:
11
Step-by-step explanation:
Substitute 3 for b
23 - 4(3)
Multiply 4(3) = 12
23 - 12
Subtract
23 - 12 = 11
This depends on the equation.
Answer:
The 2 Option Is Correct
f(x) = 2(x+3)(x-7)
Step-by-Step Explanation:
Factor.
9 squared is 81
81=9^2
Or, (3^2)^2. Double square!
