Question

4x³ +5x²- 6x +7 when x =3​

Answer 1

Answer:

142

Step-by-step explanation:

$=> 4x^3 + 5x^2 - 6x + 7$

$=> x = 3$

$=> 4(3)^3 + 5(3)^2 - 6(3) + 7$

$=> 108 + 45 - 18 + 7$

$=> 142$

$Hope\:it\:helps\:$

Answer 2

Answer:

Ur answer:

142

Step-by-step explanation:

Given, x=3

4(3)³+5(3)²-6(3)+7

4(3)³+5(3)²-6(3)+7=4(27)+5(9)-18+7

4(3)³+5(3)²-6(3)+7=4(27)+5(9)-18+7=108+45-18+7

4(3)³+5(3)²-6(3)+7=4(27)+5(9)-18+7=108+45-18+7=142

Hope it helps you!!☺