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sdas [7]
4 years ago
14

Multiply the polynomials (5x^2 + 2x +8)(7x7 - 6)

Mathematics
1 answer:
sattari [20]4 years ago
6 0

If you mean the "x" is multiply, then your answer is 35x9+14x8+56x7−30x2−12x−48

Explanation:

=(5x2+2x+8)(7x7+−6)

=(5x2)(7x7)+(5x2)(−6)+(2x)(7x7)+(2x)(−6)+(8)(7x7)+(8)(−6)

=35x9−30x2+14x8−12x+56x7−48

=35x9+14x8+56x7−30x2−12x−48

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3 years ago
How does this equation: 1+-✓17/-4 equal -1+-✓17/4.
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8 0
3 years ago
Which equation has a slope of -2 and passes through the point (3, 5)
masha68 [24]

Answer:

Step-by-step explanation:

6 0
3 years ago
I need the answers for this question. I am confused
noname [10]

Answer:

Step-by-step explanation:

As C and D are both at y = -9, the line below V₂ is vertical and located at

x = ½(22 + (-2) = 10

The line between V₁ and V₂ will contain the point halfway between B and D.

x = ½(14 + (-2)) = 6

y = ½(7 + (-9)) = -1

(6, -1)

The slope of the line between V₁ and V₂ is the same as between V₁ and our just found midpoint between B and D

m = (5 - (-1)) / (0 - 6) = -1

so the line equation is

y = -x + 5

Which intersects x = 10 at

y = -10 + 5 = -5

V₂ = (10, -5)

The distance between V₂ and B, C, and D is

d = √((14 - 10)² + (7 - (-5))²) = √160

The distance between V₁ and B, A, and D is

d = √((-10 - 0)² + (15 - 5)²) = √200

As √200 > √160, the dump should be located at V₁ or at least √200 away from any two of the points

5 0
3 years ago
Solve each quadratic equation. 4x²=100
liraira [26]
4x^2=100
Square root 4x^2=square root 100
4x=plus or minus 10
4x/4=plus or minus 10/4
X= -2.5, x= 2.5
6 0
3 years ago
Read 2 more answers
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