<span>x² + y² + 14x − 4y − 28 = 0
x² +14x +y² - 4y =28
x²+2*7x +7² -7² + y² - 2*2y +2² - 2² = 28
(x+7)² + (y-2)² -7²-2² =28
</span>(x+7)² + (y-2)²=28+49+4
(x+7)² + (y-2)² =81 is the answer.
The answer is £64.89.
Step by Step:
Take the original price multiplied by 0.03 ( the percent of a booking fee ) and add those amounts together.
Equation: 63 + 1.89 = 64.89
Answer: x=-1
Step-by-step explanation:
