Question

exercise 2.2 Chapter 2 Class 9th Maths. first two ques​

Answer 1

1)

1.

if x=0,

-4(0)²+5(0)+3=3

2.if x=(-1),

(-4(1)²)+5(1)+3

(-4)+5+3

=4

3. if x=12

-4(2)²+5(2)+3

-16+13

(-3)