Question

Add one set of parentheses to the expression 2x² + 4 - 5 so that the value of the expression is 75 when x = 6.

Answer 1

2(x^2 +4)-5

Explanation:

6^2= 36

36+4= 40

40x2=80

80-5=75

6(6^2 + 4) -5