Math, asked by omsonwane77, 1 year ago

find the value of 'a' if (x+ 4) is a factor of the polynomial x³ + ax² - 2 X + a + 4

Answers

Answered by Gamattoo
0
(-4)^3 + a(-4)^2 - 2(-4) + a + (-4) = 0
-64 + 16a + 8 + a - 4 = 0
-60 + 17a = 0
a = 60/17

Gamattoo: I'm sorry. It should be 52/17
Gamattoo: I made a mistake in 1st statement
srishtimalik: Yeah
srishtimalik: There is a mistake in the square of four
srishtimalik: Thanks for telling me my mistake
Similar questions