Math, asked by VXS, 8 months ago

solve it now
-----
f(x) = 3x² + 12x + 15
if f(a) = -4
find the value of "a" ?

Answers

Answered by khargarava

0

Step-by-step explanation:

3x² +12x+15=3×-4²+12×-4+15

=48-28+15

=35.

hence proof .

the value of a=-4

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