sweetie129 sweetie129
  • 02-10-2020
  • Mathematics
contestada

What is the value of the expression below when x = 4 ? 7x^2 + 8x - 7 , Please answer !!!!!!!! Will mark brainliest !!!!!!!!!

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scarycookiemonster
scarycookiemonster scarycookiemonster
  • 02-10-2020
I think it’s 136 :) I’m not to sure
Answer Link
mykiahgriffiths
mykiahgriffiths mykiahgriffiths
  • 02-10-2020

Answer:

137

Step-by-step explanation:

7x^2+8x-7

7(4)^2+8(4)-7

7(16)+32-7

112+32-7

144-7

137

Answer Link

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