ANSWER

EXPLANATION
Given;

The standard equation of circle of a circle centered at (h,k) with radius r is;

Re-write the given equation in the standard form, we have;

Hence, h=-3, k=-5, radius is 4
Answer:
Step-by-step explanation:
4x - 2y = -2 ------------------(I)
6x + 3y = 27 ------------------(II)
Multiply (I) by 3 & multiply (II) by 2
(I)*3 12x - 6y = -6
(II)*2 <u>12x + 6y = 54</u> { Now add & y will be eliminated}
24x = 48
x = 48/24
x = 2
Plugin the value of x in equation (I)
4*2 - 2y = - 2
8 - 2y = -2 {subtract 8 from both side}
-2y = -2 - 8
-2y = -10 {Divide both sides by -2}
y = -10/-2
y = 5
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Answer:
Step-by-step explanation:
(X²+2x+5)(2x)
= 2x(x²) +2x(2x) + 2x(5)
= 2x³ + 4x² + 10x