dave2110
dave2110 dave2110
  • 04-02-2021
  • Mathematics
contestada

Solve for x by factorising.
3x²+4x= 4​

Respuesta :

skst19 skst19
  • 04-02-2021

Answer:

Step-by-step explanation:

3x^2+4x-4=0 (we move 4 to the other side to factor)

(3x-2)(x+2)

^think of 2 numbers that when you multiply it will be -4 and when you multiply one of it to 3x and add to the other it will be 4x.

Recheck:

-2(2)= -4 (correct)

-2x+6x=4x (correct)

Answer Link

Otras preguntas

Spring is the best time of year to visit here. Wildflowers are everywhere. The peaks appear even taller against the clear blue sky. The one drawback is trying t
sam has a quarter of a pizza that he breaks into two equal pieces. each of the pieces represents what fraction of an entire pizza? Please show work!
If continents continue to drift, is it possible that a new supercontinent will form ? Which continents might be next to each other 200 million years from now.
What is the purpose of using a pedigree?
cost A=0.6489 take the inverse cosine of both sides
The reaction Ba(NO3)2(aq) + Na2SO4(aq) → 2NaNO3(aq) + BaSO4(s) goes to completion because a
Mark uses an app that shows him how many kilometers he has run to prepare for a marathon. The app said he ran 9.654 kilometers. He wants to post online how many
how do I express the area of a square as a monomial
A number x increased by 6 and the the sum is doubled
Higher-frequency sound waves are perceived as having _____. A. higher pitch B. lower pitch C. higher volume D. lower volume