Question

find the value of the polynomial 5 x - 4 x square + 3 at x = 2 and x = -1​

Answer 1

Step-by-step explanation:

p(x)=5x-4x^2+3

at x =2

p(2)=5(2)-4(2)^2+3

p(2)=10-4*4+3

p(2)=10-16+3

p(2)= -6+3

p(2)= -3

at x= -1

p(-1)=5(-1)-4(-1)^2+3

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

p(-1)= -9+3

p(-1)= -6