3 years ago

Use the equation x2 - 10x = 11 to fill in the table below.

Mathematics

1 answer:

notsponge [240]3 years ago

5 0

Answer:

a) 25

b) the square root of 36 should be done

Step-by-step explanation:

x² - 10x = 11

take half of 10 and square it

x² - 10x + 25 = 11 + 25

(x-5)² = 36

x-5 = $\sqrt{36}$

x - 5 = 6 and x - 5 = -6

x = 11 and x = -1

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