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Help please I would give more pints but I dont have any. Who ever answers first get brainliest.

Which set of expressions are not equivalent?

4x(x) + 3(2x) and 4x2 + 6x
5(3x) - 4(3x) and 3x
4(3a) - 2(4a) and 4a2
3(3a) + a(3a) and 3a2 + 9a

Respuesta :

mathmate
4x(x) + 3(2x) and 4x2 + 6x  => 4x^2 + 6x and 4x^2 + 6x
5(3x) - 4(3x) and 3x  => 15x-12x=3x and 3x
4(3a) - 2(4a) and 4a2 => 12a-8a=4a and 4a^2
3(3a) + a(3a) and 3a2 + 9a  => 9a+3a^2 and 9a + 3a^2

Can you spot the one which is different?

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