How do you solve #2x^4 + 2x^3 + x^2# when x = 7? Algebra Expressions, Equations, and Functions PEMDAS 1 Answer marfre Jul 6, 2018 # 5537# Explanation: Given: #2x^4 + 2x^3 + x^2# let #x = 7# #2(7)^4 + 2(7)^3 + (7)^2# #= 4802 + 686 + 49# #= 5537# Answer link Related questions What is PEMDAS? How do you use PEMDAS? How do you use order of operations to simplify #3(7-2)-8#? What are common mistakes students make with PEMDAS? How do you evaluate the expression #5[8+(3-1)]-2#? How do you simplify the expression #4(30-(3+1)^2)#? How do you evaluate the expression #x^4+x# if x=2? Is it okay to add first before subtracting in #4-6+3#? How do you simplify #(-3)^2+12*5#? How do you simplify #(4-2)^3-4*8+21div3#? See all questions in PEMDAS Impact of this question 1495 views around the world You can reuse this answer Creative Commons License