Question

5x²-4-3x²+6x+5x-13 when x=-2​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

5x^2-4-3x^2+6x+5x-13

=  x=2

= ?

=according to question

= 5(2)^2-4-3(2)^2+6(2)+5(2)-13

= 5(4)-4-3(4)+6(2)+5(2)-13

=20-4-12+12+10-13

=20-16+12-3

=4+9

=Ans=13

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Step-by-step explanation: