find the value of expression 25x^2 +70x +49
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Answer:
Step-by-step explanation:
Given :-
25x² + 70x + 49
And , x = - 1
Salutation :-
25x² + 70x + 49
= 25 × ( - 1 )² + 70 × ( - 1 ) + 49
[ • Putting the value of x ]
= 25 × 1 - 70 + 49
= 25 - 70 + 49
= 74 - 70
= 4. [ ★ Required answer ]
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