3 years ago

Write the equivalent expression (5x-3x2)-(5x-2)×(10x+7x2)in standard form:

Mathematics

1 answer:

Papessa [141]3 years ago

3 0

Answer:

-35x³ - 39x² + 25x

Step-by-step explanation:

Step 1: Write out expression

(5x - 3x²) - (5x - 2)(10x + 7x²)

Step 2: Distribute/Expand

5x - 3x² - (50x² + 35x³ - 20x - 14x²)

Step 3: Combine like terms

5x - 3x² - (36x² + 35x³ - 20x)

Step 4: Distribute negative

5x - 3x² - 36x² - 35x³ + 20x

Step 5: Combine like terms

-35x³ - 39x² + 25x

You might be interested in

How many solutions does the equation 3x − 7 = 4 + 6 + 4x have? Two Zero Infinitely many One

sleet_krkn [62]

Answer:

one solution

Step-by-step explanation:

3x − 7 = 4 + 6 + 4x

Combine like terms

3x-7=4x+10

Subtract 3x from each side

-7=x+10

Subtract 10 from each side

-17 =x

There is one solution

4 0

3 years ago

If George received $ 78.00 for his work at Weaver's Store, and he was paid $ 6.00 per hour, how many hours did he work?

mihalych1998 [28]

13 hours
78.00 ÷ 6.00 equals 13 hours
6×13 equals 78

3 0

3 years ago

Read 2 more answers

Simplify 12(x-4)+4(x+7)

My name is Ann [436]

Expand

12x - 48 + 4x + 28

Collect like terms

(12x + 4x) + (-48 + 28)

Simplify

5 0

3 years ago

Read 2 more answers

Answer this question to get marked as brainliest!!!!

Mazyrski [523]

Answer: C

Step-by-step explanation:

A= 1/2(a+b)xh

A=1/2(7+10)x5

A=8.5x5

A=42.5

4 0

3 years ago

A customer is late paying their renewal registration fee. The renewal registration fee is $142.16 and the late fee is 63% of the

Andre45 [30]

$124.56 because if you have 63% you change it to a decimal so it is not .63 and you multiply it by 146.16 and then add the 35 you get 124.56

8 0

3 years ago

Write the equivalent expression (5x-3x2)-(5x-2)×(10x+7x2)in standard form:​

Write the equivalent expression (5x-3x2)-(5x-2)×(10x+7x2)in standard form: