HeartlynQ480334 HeartlynQ480334
  • 03-11-2022
  • Mathematics
contestada

Simplify: (2x-7)(2x+7)

Respuesta :

MilezO225960 MilezO225960
  • 03-11-2022

First, we multiply both expressions:

[tex](2x-7)(2x-7)=2x\cdot2x-7\cdot2x-2x\cdot7+7\cdot7.[/tex]

Now, we simplify:

[tex]\begin{gathered} 2x\cdot2x-7\cdot2x-2x\cdot7+7\cdot7=4x^2-2(7\cdot2x)+49 \\ =4x^2-28x+49. \end{gathered}[/tex]

Answer:

[tex]4x^2-28x+49.[/tex]

Answer Link

Otras preguntas

PLS HELP ME QUICKLY THANK U :) :()​
does anyone know the answer to this? thank you!
Objects 1 and 2 attract each other with a gravitational force of 178 units. If the mass of object 1 is one-fourth the original value AND the mass of object 2 is
need help with this please!! ​
Question 1 of 10 If f(x) = 4x - 12, what is f(2)? A. -20 ОО O B. 8 C. -4 O D. 4
Purchased office supplies for $1,400. Cash paid $ 400 and remaining outstanding.
Which ion with a +2 charge has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6?
What is the role of pollen in making new plants? A Pollen fertilizes the ovule, which becomes a seed. Seeds become new plants. B Pollen makes fruit turn into ne
WANT FREE BRAINLIEST... JUST FOLLOW.....​
b ÷ 0.52 for b = 6.344