Question

if x=2,then the value of x2+4x7 is​

Answer 1

Answer:

516

Step-by-step explanation:

x²+4$x^{7}$

= 2 x 2 + 4 x 2 x 2 x 2 x 2 x 2 x 2 x 2

[2 x 2 = 4; 4 x 2 x 2 x 2 x 2 x 2 x 2 x 2 = 512]

= 4 + 512

= 516

Answer 2

Answer:

answer is 32

Step-by-step explanation:

2×2+4×7

4+4×7

32