Question

I’m confused on this and don’t know what to do please help

Answer 1

83

Explanation:

3x³+2y-6

x= 3 and y = 4, we will plug in what x equals to for the x value, then we will plug in what y equals to for the y value

3(3³) + 2(4) - 6

now let's use order of operations (PEMDAS: parenthesis exponent multiplication division addition subtraction)

parenthesis first

3³ = 3·3·3= 27

3(27) + 2(4) - 6

there are no exponents so we will use multiplication

3·27 = 81

2·4=8

81 + 8 - 6

83

Answer 2

1) Substitute x and y

3(3)^3 + 2(4) -6

2) Solve

3(27) + 8-6

81 + 2

83

Answer is 83