lracerict909
lracerict909 lracerict909
  • 04-02-2021
  • Mathematics
contestada

Which expression is equivalent to 4x2 – 49?
A). (2x – 7)2
B). (x + 7)(4x – 7)
C). (2x + 7)(2x – 7)
D). (2x + 7)2

Respuesta :

PiaDeveau PiaDeveau
  • 09-02-2021

Answer:

(2x + 7)(2x - 7)

Step-by-step explanation:

Given:

4x² - 49

Find:

Factories

Computation:

4x² - 49

Using Identity

⇒ a² - b² = (a + b)(a - b)

⇒ 4x² - 49

⇒ (2x)² - (7)²

(2x + 7)(2x - 7)

Answer Link

Otras preguntas

Give five rational numbers lying between 3/5 and 4/5. Insert six rational numbers between 3 and 4.
Whatis the wheel and axle?
What is the last number
What does it mean when Brutus says: "Into what dangers would you lead me, Cassius... that you would have me seek into myself...for that which is not in me?
how do you solve the equation 2s+3=14s
simplify as much as possible.Assume that all variables represent positive real number4x√32xv^2 + v√2x^3
Ryker is given the graph of the function y= 1/2x^2 - 4 . He wants to find the zeros of the function but is unable to read them exactly from the graph. Find the
Did Maya Angelou's uncle kill the mom's boyfriend after finding out he raped Maya or beat him to death?
please help :-( thanks
what is an undefined nuclear region containing only nucleic acid