Question

Find the value of 81
-

4x² for x = 4​

Answer 1

$4 {x}^{2} = 4 {(4)}^{2} = 64$

MARK ME AS BRAINLIEST.

Answer 2

Answer:

64

Step-by-step explanation:

4x²

=4 x (x)²

=4 x (4)²               [substituting x=4 in x²]

=4 x 16

=64

If you like my answer then please mark me brainliest