jikmolsavage jikmolsavage

01-03-2021
Mathematics

contestada

What is the value of the expression x to the 2nd power minus (4 plus 3x) when x equal 8

A. 12
B. 36
C. 84
D. 92

Respuesta :

nora801 nora801

01-03-2021

The answer is B. 36. You substitute 8 for each x. So, 3x is 3 times 8 which is 24 and x^2 is 8 times 8 which is 64. Then you do order of operations to find the answer.

Answer Link

Otras preguntas

Solve by taking the square root of both sides. (3x+3)^2=25

What is the energy equivalent of 3 eV? a) 1.6x10-19J b) 3.2x10-19J c) 4.8x10-19J d) 0.53x10-19J

Jews were severely persecuted following the fall of this nation to the German army.

Which goal was shared by the women's rights movement and the Civil Rights movement? A. greater protections for voting rights B. the passage of laws banning disc

The gross income of David Vaughn is $785 per week. His deductions are $42.25, FICA tax; $90.33, income tax; 2% state tax; 1% city tax; and 3% retirement fund

With which theater is Shakespeare's career as a playwright and actor closely associated? A. the theater of the King's Men B. the theater at Stratford-upon-Avon

between what pair of numbers is the product of 289 and 7

How many oxygen atoms are found in one molecule of nitric acid, HNO3?

Which Russian tsar refused to surrender to Napoleon in 1812, even after Moscow had been captured and burned? A. Catherine the Great B. Nicholas I C. Ivan the Te

Jews were severely persecuted following the fall of this nation to the German army.