Question

$5x ( - 1)^{2} - 4( - 1) ^{2} + 3$
explain how to solve​

Answer 1

Answer:

We know

(-1²=1)

$5x( - 1) ^{2} - 4( - 1) ^{2} + 3 \\ = 5x(1) - 4(1) + 3 \\ = 5x - 4 + 3 \\ = 5x - 1$

Therefore the correct answer is

5x-1

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