Question

Find the value of 5 x square - 3 x + 7 at X is equals -1

Answer 1

Answer:

15

Step-by-step explanation:

5x^2-3x+7

substituting the value of x as -1 in the given equation

5*(-1^2)-3*-1+7

5*1+3+7

Required answer=15

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Answer 2

5x^2-3x+7

if x =-1

Then,5 (-1)^2-3 (-1)+7

5+3+7=15