Mathematics
Mathematics, 02.11.2021 23:30, dsaefong00

Simplify the following expressions and find the value for x = -1 , y = 1 and z = 2 ( help me plz plz it's my exam ) fast plz plz plz help me a) ( 2x+y) + 3y ( y-z) -2x ( x-y )
b) ( x-2y) ( 3x² + 4xy - y²)
c) ( x³ + y³ - z³) ( 2x + y -z)

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:00, SillyEve
In tossing one coin 10 times, what are your chances for tossing a head? a tail? 2. in tossing one coin 100 times, what are your chances for tossing a head? a tail? 3. in tossing one coin 200 times, what are your chances for tossing a head? a tail? deviation = ((absolute value of the difference between expected heads and observed heads) + (absolute value of the difference between expected tails and observed tails)) divided by total number of tosses. this value should always be positive. 4. what is the deviation for 10 tosses? 5. what is the deviation for the 100 tosses? 6. what is the deviation for 200 tosses? 7. how does increasing the total number of coin tosses from 10 to 100 affect the deviation? 8. how does increasing the total number of tosses from 100 to 200 affect the deviation? 9. what two important probability principles were established in this exercise? 10. the percent of occurrence is the obtained results divided by the total tosses and multiplied by 100%. toss the coins 100 times and record your results. calculate the percent occurrence for each combination. percent head-head occurrence: percent tail-tail occurrence: percent head-tail occurrence:
Answers: 3
image
Mathematics, 21.06.2019 22:30, Elenegoggg
Which of the following graphs could represent a quartic function?
Answers: 1
image
Mathematics, 21.06.2019 23:00, 727
How many 3/8s are in 6 plz someone tell me now
Answers: 1
image
Mathematics, 22.06.2019 01:30, deku6
Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? question 1 options: 3x2+38x+55 3x3+38x2+55x 5x+16 4x+16
Answers: 2
Do you know the correct answer?
Simplify the following expressions and find the value for x = -1 , y = 1 and z = 2 ( help me plz plz...

Questions in other subjects:

Konu
Mathematics, 21.12.2020 19:10
Konu
English, 21.12.2020 19:10
Konu
Mathematics, 21.12.2020 19:10
Konu
Mathematics, 21.12.2020 19:10