Question

find the value of the polynomial 5x=4x²+3 If x=-1​

Answer 1

Answer:

if x = -1

then put -1 in the place of x

5x = 4x^2 + 3

5*(-1)=4*(-1)+3

-5=-4+3

-5=-1

-1+5=0

4

therefore answer is 4

Answer 2

Step-by-step explanation:

5x=4x²+3

4x²-5x+3

= 4(-1)²-5(-1)+3

= 4+5+3

=12