Question

The value of quadratic polynomial
P (x) = 3x² + 7x+4 at x=-2 is​

Answer 1

Answer:

$p(x) = 3x {}^{2} + 7x + 4 \\ p( - 2) = 3( - 2) {}^{2} + 7( - 2) + 4 \\ p( - 2) = 3 \times 4 - 14 + 4 \\ p( - 2) = 16 - 14 = 2 \\ p( - 2) = 2$

Answer 2

Answer:

p(x)=3x^2+7x+4 ,,,x= -2

p(-2)=3(-2)^2+7(-2)+4

p(-2)= 12+(-14)+4

p( -2)= -2 + 4

p(-2) =2

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