Answer:
12+7y
Step-by-step explanation:
Answer:
15m x2m
Step-by-step explanation:
B. (9x^2 + 1)(9x^2 – 1)
C. (3x^2 + 1)^3(3x – 1)
D. (9x^2 + 1)(3x + 1)(3x – 1)
Using this: a²-b²=(a+b)(a-b)
81x^4-1=
(9x²)²-1=
(9x²-1)(9x²+1)= (in the bold half we use the formula again)
(3x+1)(3x-1)(9x²+1)
So the answer is D
Answer:
Y=10
Step-by-step explanation:
You need to isolate the variable "y"
To do this simply subtract the whole numbers, 5 and 1, from the left side of the equation and add the y values together.
This leaves you with "8y-4y=46-5-1" which simplifies to "4y=40"
Now you simply divide both sides of the equation by the number with the variable y, being 40/4 , leaving you with "y=10"
To solve the equation 8y + 5 - 4y +1 = 46, first simplify the left side by combining like terms. Then isolate the variable by subtracting and dividing to solve for y.
To solve the equation 8y + 5 - 4y +1 = 46, we first simplify the left side by combining like terms. 8y - 4y = 4y, and 5 + 1 = 6. So, the equation becomes 4y + 6 = 46. Next, we isolate the variable by subtracting 6 from both sides of the equation. This gives us 4y = 40. Finally, we divide both sides of the equation by 4 to solve for y. So, y = 10.
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