Math, asked by VXS, 10 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

Previous Question

Next Question

Similar questions

Social Sciences, 4 months ago

what is called plane of the orbit ...

History, 4 months ago

name of the president of india who holds the office for more than one time...

English, 4 months ago

If a speaker spells the word, how will it look in the transcription?

Math, 10 months ago

x+ root 2 is a factor of 2 root2 x square+5x+ root 2...

English, 10 months ago

if you know than write the all answer useless answer will reported...

Chemistry, 1 year ago

Starting from methyl iodide how will you prepare methyl isocyanide...

Physics, 1 year ago

Splendor nickel wire is stretched to increase its length by 10% calculate the percentage increase in resistance...

Math, 1 year ago

Somu gives 25% of his salary to his motger 60% of remaining salary he invests in insurance and ppf in 2:3 ratio and remaining he keeps in bank if difference between amount he gave his mother and invest in insuranve is 3780.How much is somu salary?