Evaluate the function for the given value of x.
f(x) = 7x - 6; x=-2
-20
Evaluate the function for the given value of x
f(x) = -2x4 + x3 + 5x2 - 3x - 7; x=-1
-2
Factor the expression completely.
3k2 -3k
3k(k-1)
Simplify.
-1(x-7)
-x+7
Find the sum
(8x4 - 2x3 + 9x2 + 7x + 14)+(6x4 - 5x3 - 9x2 - 11x - 9)
14x4 - 7x3 - 4x + 5
Evaluate the function for the given value of x.
f(x) = -3x + 4; x=-2
10
g(x) = 5x4 - 2x3 + 9x - 10; x=-6
6848
Factor the expression completely.
x2 - 25
(x-5)(x+5)
Simplify.
14r - 4r
10r
Find the difference.
(9x5 + 5x4 - 9x2 + 10x) - (3x4 - 5x3 + 9x + 3)
-3x5 + 3x4 - 8x2 + 10x + 9
Evaluate the function for the given value of x.
g(x) = x2 + 3; x=6
39
Evaluate the function for the given value of x
h(x) = x5 - 4x3 + 3x2 + 11x - 8; x = 7
15,651
3x2 + 30x + 63
3(x+7)(x+3)
Simplify.
6z2 - 2z - 9z2
-3z2 - 2z
Find the product.
(4x2 - 3z + 6)(x2 - 2x + 2)
4x4 - 11x3 + 20x2 -18x +12