Question

Factorize : -21x^2 + 16x + 5

Answer 1

Answer:

This answer is came by using formula.so please take this also as correct answer.

Step-by-step explanation:

a=-21,b=16,c=5.

Roots = -b^2 +/- root of 4ac /2a

=-256 +/- root of 420/ -42

= -64 +/- root of 105 / -21.

And also roots can be written as

-21x^2+16x+5=x(-21x+16)+5

=(x+5)(16-21x).

Answer 2

Hi

Pls refer to the attachment for the ans

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