ximena59575 ximena59575

22-09-2022
Mathematics

contestada

simplify the following expression by combining like terms 9(x•x-2xy)+7x•x

Respuesta :

josephcurran883 josephcurran883

22-09-2022

Answer:

Step-by-step explanation:

Answer: 89x-18xy

9x times (x times x minus 2xy)= 9x times 9x minus 18xy

9x times 9x equals 81x

7x times x equals 8x

8x plus 81x equals 89x

Then put it back into the same question and you have 89x-18xy.

Answer Link

Otras preguntas

in a class of 25 students, 18 were math majors, 12 were computer science majors, and 7 were dual majors in math and computer science. A)How many students were

what was the impact of pseudoscientific idea of race on the jewish nation by The Nazi Germany during the period of 1946?

According to John Hawkes, why did Neanderthals become extinct?

A fish tank has a length of 45cm, width of 25 cm and a depth of 10cm. What is the volume of the fish tank? 10250 cm3 11250 cm3 10520 cm3

An investment of $8500 increases in value by 4.5% every year. How long until the investment reaches about $17323.

Pros and cons of state school vs private school?

Let F(x)=3x-1,h(x)=-x+5 find (f•h)(-2)

10111 into decimal numbers system

in when you reach me who teaches miranda about time travel

Solve the following equation: 3 x squared = negative 12 a. x = 2 b. x = negative 2 c. No real solutions d. x = plus-or-minus 2