Question

What is the value of 4x2 + 5x when x = 1? ​

Answer 1

your answer is 13

Explanation:

First replace x with 1 since x = 1

4 x 2 + 5(1)

then multiply 4 x 2 to get 8

8 + 5(1)

next multiply 5 times 1

8 + 5

finally solve 8 + 5 to get 13

Answer 2

9

Explanation:

When x=1,

4x²+5x=4(1)²+5(1)

=4(1)+5

=4+5

=9