353,406 views
15 votes
15 votes
Evaluate 4x^2 -3x for x=-4

User Pallab Ganguly
by
2.7k points

2 Answers

28 votes
28 votes

Answer:

76

Explanation:

It is easier to do x square first which gives you 16

Then do 16 times 4 which is 64

Then do x times -3 which is -12

Then do the sum 64-(-12)

which gives you the answer of 76

Hope This Helps

User Pgianna
by
3.0k points
24 votes
24 votes

Answer:

Explanation:

4x^2 -3x for x = -4

4(-4)^2 - 3(-4)

4 (16) - (-12)

64 + 12

76

Hope this helps!

User Dehan Wjiesekara
by
3.2k points