Question

find the value of the expression 25xsquare+70x+49ifx=minus 1

Answer 1

Heya Friend !!

Solution :-

25x^2+70x+49
Put the value of x = -1
=> 25(-1)^2+70(-1)+49
=> 25×1+(-70)+49
=> 25 - 70 + 49
=> 74 - 70
=> 4