Question

the value of polinomial 5x-4x²+3 at x=-1
​

Answer 1

Answer:

Solution: (i)x = 0

5x – 4x2 + 3

Plug x = 0 we get

=>5(0) – 4(0)2 + 3

=>0 -0 + 3

=> 3

(ii) x = –1

Plug x = - 1 we get

=>5x – 4x2 + 3

=>5(-1) – 4(-1)2 + 3

=> -5 – 4 +3

=>-6

(iii) x = 2

Plug x = 2 we get

=>5(2) – 4(2)2 + 3

=>10 – 16 + 3

=> -3

Step-by-step explanation:

PLZ MARK ME BRAINLIST

Answer 2

$\dagger\mathbb\green{Solution}$

${\red{\longmapsto{\mathtt{\blue{p(x)\:=\:5x - 4{x}^{2} + 3}}}}}$

${\red{\longmapsto{\mathtt{\blue{x = -1}}}}}$

${\red{\longmapsto{\mathtt{\blue{p(1) = 5(-1) - 4{(-1)}^{2} + 3}}}}}$

${\red{\longmapsto{\mathtt{\blue{ p(1) = -5 - 4 + 3}}}}}$

${\red{\longmapsto{\mathtt{\blue{p(1) = -6}}}}}$

${\blue{\underline{\blue{\underline{\orange{\boxed{\orange{\boxed{\mathtt{\green{-6 \:\:Ans.}}}}}}}}}}}$