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What are the solutions to the equation?

What are the solutions to the equation?-example-1
User Japzone
by
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1 Answer

8 votes

Answer:

x = -2 and 1

Explanation:

Given :

f(x) = x+2

g(x) = -x²+4

The solution to the equation f(x) = g(x)

=> x+2 = -x²+4

=> x²+x = 4-2

=> x²+x -2 = 0

By factorisation

=> x²+2x-x -2 = 0

=> x(x+2) -1(x+2)

=> (x+2) (x-1)

x = -2 and 1

User Kirill K
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