Question

5x square- 4x square +3 at x=-1​

Answer 1

Question :-

5x²-4x²+3

Answer ==>

Given:-

putting X = -1

5(-1)² - 4× (-1)² + 3

5×1-4×1+3

5-4+3

Applying BODMAS RULE :-

8-4

==> 4

OR

5x²-4x²+3

x²+3

(-1)²+3

1+3

==> 4

There are two methods for solving this question..

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