Question

What is the value of 5x25 - 3x32 + 2x-12 at x=1

a) 0 b) 2 c) 4 d) None of these

Answer 1

( d ) none of these

mark as brillienst answer

Answer 2

5x^25-3x^32+2x-12

if x=1

5(1)^25-3(1)^32+2(1)^12

=5(1)-3(1)+2(1)-12

=5-3+2-12

=2+2-12

=2-10

= -8

d) none of these