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Goshia [24]
3 years ago
5

If x=(2a-3b),y=(2a+3b)and z=9bsquare -4absquare,show that xy+z=0​

Mathematics
1 answer:
kaheart [24]3 years ago
5 0

Answer:

<h2>Hope it helps you........</h2>

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(1)

f(x) + g(x) = 3x + 2 + 2x + 5 = 5x + 7

f(x) - g(x) = 3x + 2 - 2x - 5 = x - 3

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f(x) + g(x) = 4x - 1 + 3x - 4 = 7x - 5

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f(x) × g(x) = - 2(- x + 7 ) = 2x - 14

(6)

f(x) × g(x) = - 5(2x - 7) = - 10x + 35



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