(−2x0y3 )(4x2y4 )+(2y5 )(3xy)2
Answers
therefore
Step-by-step explanation:
Answered
(-2*x^0*y^3)*(4x^2y^4)+(2y^5)*(3xy)^2
-2*y^3*4x^2*y^4+2y^5*9*x^2*y^2
-2*y^3*4*x^2*y^4+2*y^5*9x^2y^2
-8x^2y^7+18*x^2*y^7
therefore
\boxed{\boxed{10*x^2*y^7}}
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Answers
Answer:
C
Step-by-step explanation:
use the formula = a² + 2ab + b²
(9x)² - 2 * 9x * 7xy + (7xy)²
81x² + 49x²y²- 126x²y
Answer:
c) 81x² + 49x²y² - 126x²y
Step-by-step explanation:
when you square something you are multiplying it by itself
(9x - 7xy)² = (9x - 7xy) (9x - 7xy)
this requires the FOIL method:
F = first = (9x)(9x) = 81x²
O = outer = (9x)(-7xy) = -63x²y
I = inner = (-7xy)(9x) = -63x²y
L = last = (-7xy)(-7xy) = 49x²y²
the two middle terms can be combined because they are 'like'
-63x²y + -63x²y = -126x²y
answer:
81x² - 126x²y + 49x²y²
the order is normally changed to be put in decreasing exponent order so 49x²y² is put before -126x²y
Answers
Answer:
Step-by-step explanation:
4 2/15 / 3.1 = 1.33333333333
Answers
Answer:
x² + x + 5
Step-by-step explanation:
Using Synthetic division
- 5 | 1 6 10 25
↓ - 5 - 5 - 25
-----------------------
1 1 5 0 ← remainder
Since the remainder is zero then (x + 5) is a factor of the polynomial
The Quotient = x² + x + 5
Thus
x³ + 6x² + 10x + 25 = (x + 5)(x² + x + 5)
Answers
1 Kilogram = 1000 Grams
Answers
l = w + 9
area = length * width
52 = l * w
52 = (w+9) w
52 = w^2 + 9w
w^2 + 9w - 52 = 0
w^2 + 13w - 4w - 52 = 0
w (w + 13) - 4 (w + 13) = 0
(w + 13) (w - 4) = 0
length = 13 in
width = 4 in
Answers
Answer: it wouk take him x minutes because it said at the SAME rate.
Step-by-step explanation: