ericmelegrito2 ericmelegrito2

15-12-2020
Mathematics

contestada

Which of the following is equivalent to (2a + 5b) (a - 3b)?

A) 2a² - 2ab - 15b²
B) 2a² - ab 15b²
C) 2a² + 2ab - 15b²
D) 2a² + 11ab - 15b²

Respuesta :

15-12-2020

Answer:

Step-by-step explanation:

use foil and you will have

=2a^2-6ab+5ab-15b^2

=2a^2-ab-15b^2

i think is B, maybe you forgot a minus between ab and 15b^2

Answer Link

Otras preguntas

What is the solution, if any, to the inequality 3-14-n1 > 1? no solution O all real numbers On>2 or n < 6 O 2< n < 6

I've to write an essay about "A Day in My Life As a Quiz Show Winner" and I don't know how to describe it. For example, like this -better be longer:

Solve for x : Y=3x- 8 Y=-4x+6

Why did the author of the CON argument describe voter ID legislation presented by Republican legislators before explaining her arguments? Group of answer choice

A city averages 14 hours of daylight in June (the longest days) and 10 in December (the shortest days). Assume that the number of hours of daylight varies sinus

1) Use the map to describe the motion of the plates at this boundary and the age of the rocks along each side of the ridge. 2) Explain the importance of this di

Please try and help me answer this question. Thank you for any responses!

answer ASAP if you dont know the answer do not answer be 100% sure. Please i need a better grade in math.(MORE THAN ONE ANSWER POSSIBLE) Which relationships des

help plssssssssssssssssss

There are three different companies that are willing to provide the hot dogs. • Company A charges $15 toevery 25 hot dogs, plus a cooking fee of $65. • Company