What is the value of the expression below when x, equals, 3x=3?

Question

10, x, squared, minus, 3, x, minus, 6
10x
2
−3x−6

Answer 1

Substitute x=3 into the expression:

10(3)^2 - 3(3) - 6
= 10(9) - 9 - 6
= 90 - 9 - 6
= 81 - 6
= 75

Therefore, the value of the expression when x=3 is 75.