ShakirShaikh
ShakirShaikh
19-03-2021
Mathematics
contestada
show that (3x+7)² -84x = (3x-7)
Respuesta :
crimsonorchid
crimsonorchid
19-03-2021
First expand...
(3x+7)^2 = 9x^2+42x+49
Bring down -84x...
9x^2+42x+49-84x
Solve...
9x^2-42x+49
Factor...
(3x-7) (3x-7) = (3x-7)^2
Answer Link
VER TODAS LAS RESPUESTAS ( 51+ )
Otras preguntas
Find the next five terms, then write a conjecture 1,1, 2, 3, 5, 8, Conjecture:
How did the emancipation proclamation prevent Europe from becoming involved in the civil war? Help pls I’ll give brainly!!!
(x³- 3x²+2x+1)/x²-4x+4 dx (dx/dy) + (x²+4y-y²)/(²√4y+y²)
We should get moving there is no time to waste. Select one: a. fragment O b. run-on c. correct d. comma splice
3. Describe the first governments created in the United States. What do you think were the most important aspects of these early national governments? Answer wi
the points (-3,1), (-1,1), (0,-1), (-1,-3), (-3,-3) and (-4,-1) are vertices of a polygon. what type of polygon is formed by these points?
Bertie has 3494 comic books he wants them in groups of 8 how many comics would be left over after putting them in groups of 8
A new car is purchased for $50, 000 and over time its value depreciates by one half every 5 years. What is the value of the car 7 years after it was purchased,
What single rotation maps AC onto AC'? O 180° clockwise rotation around the origin O 90 clockwise rotation around the origin O 90 counterclockwise rotation arou
Find the unknown length x in each right triangle to the nearest tenth ASAP
