sol1819 sol1819
  • 18-03-2019
  • Mathematics
contestada

What is the value of 6x exponent 2 +4x+8 when x=7

Respuesta :

hellomineturtle
hellomineturtle hellomineturtle
  • 18-03-2019

ok so 6x exponent 2 now insert a 7 for the x so that = to 6×7 exponent 2 so that =42 exponent 2 which equals to 84

now you have 4x + 8 so insert the 7 in for the "x" now you have 4×7 +8 4×7=28 and 28+8=36 and 84+36=120

Answer Link

Otras preguntas

no links or anything
a) Expand and simplify. 7(x - 2) - 2(x - 1) b) Factorise fully. 8x2 + 6x
A 2000 kg streetcar parked in a lot has a larger momentum than a 1000 kg car going 25 meters per second on the highway.
Which of the following statements is FALSE? a. The mass killings of buffalo by hunters forced many Native Americans on the plains to move to reservations or fac
What is the value of the expression 6 3/4 ( - 11.5) ? Explain why your answer is positive or negative.
will mark brainliest
Can someone solve this
A scientist wants to spend her summer conducting research on the effects of very cold temperatures on the human body. Which part of the world would be the best
What factor do Plessy v. Ferguson, Brown v. Board of Education, and Regents of California v. Bakke have in common?
4+4x+x^2 = y Given x = 3