Question

what is the value of the expression below when x equals 5 6x3^ + 8x

Answer 1

790

1) Since it's been given the expression 6x³+8x, let's plug into that the value for x=5

6x³+8x Plug into that x =5

6(5)³+8(5)

6(125) +8(5) Distribute the factors

790

2) So the answer is 790