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strojnjashka [21]
3 years ago
9

Complete the equation to represent finding x, the greater integer. x(x – ) = 143

Mathematics
1 answer:
mart [117]3 years ago
3 0

Answer:

x would equal -11 or 13

Step-by-step Explanation:

x(x - 2) - 143 = 0

x^2 - 2x - 143 = 0

-2x + x^2 = 143

-143 + (-2x) + x^2 = 0

(x - 13)(x + 11)

x - 13 = 0

Add 13 to both sides

x = 13

x + 11 = 0

Subtract 11 from both sides

x = -11

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Answer:

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The area of a rectangle can be found by using formula : length * width.

The area of part 1 can be simplified to this:

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For area 2, remember multiplying the square root of 2 twice nullifies the square root. So it becomes 15 * 2, which is equal to 30.

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