Question

Find the value of the expression 2x3 + 3y2 − 17 when x = 3 and y = 4. A)26 B)85 C)943 D)1,927

Answer 1

Ok so assumin by 2x3 you mean 2x^3 or 2 times x cubed

PEMDAS
parenthasees
exponentes
multiply
divide
add
subtract

exponents

we have
2(3)^3+3(4)^2-17
exonents
3^3=27
4^2=16

now we have
2(27)+3(16)-17
distribute (multply)
2 tiems 27=54
3 times 16=48

now we have
54+48-17
add/subtract
85

answer is 85