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

A magazine printed photos of three celebrities along with three photos of the celebrities as babies. The baby pictures did not identify the celebrities. readers

Tsunamis _____. can cause extensive flooding melt glaciers are caused by weathering are caused by erosion

How do you solve 3 3/4a+3+6=87 in multi step equations

If you go out to eat with three friends and your meal was $72.50 there's a 6.75% sales tax and you should tip the waiter 15%. How much should each person pay?

What is the sum of 1/7 and 2/7

15 is 30% of what number?

Traveling at 45 miles per hour, how many minutes, rounded to the nearest whole number, does it take to drive 240 miles from Orlando to Miami?

"My mistress' eyes are nothing like the sun; Coral is far more red, than her lips red: . . . And yet by heaven, I think my love as rare, As any she belied with

What is 1.3062 in expanded form?

_______ was the first person to propose the idea of moving continents as a scientific hypothesis. A. Charles Richter B. Alfred Wegener C. Antonio Snider-Pell