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sveta [45]
3 years ago
10

Complete the equivalent equation for –7x – 60 = x2 + 10x.

Mathematics
1 answer:
cupoosta [38]3 years ago
6 0

Answer:

x = -5

x = -12

Step-by-step explanation:

- 7x - 60 = x^2 + 10x

add 7x to both sides

x^2 + 17x = -60

add 60 to both sides

x^2 + 17x + 60 = 0

factorise quadratic

(x + 12) (x + 5) = 0

<em>x = -12</em>

<em>x = -12x = -5</em>

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