Question

-c^+34-93
Factorise it

Answer 1

Required Answer:-

Given to factorise:

• -c² + 34c - 93

Solution:

Here, we will factorise the given polynomial by splitting the middle term.

Here is the solution.

-c² + 34c - 93

= -c² + 31c + 3c - 93 [Note this, 31 + 3 = 34 and 31 × 3 = 93]

= -c(c - 31) + 3(c - 31)

= (c - 31)(3 - c)

Hence, the factorised form is (c - 31)(3 - c)

Answer:

• The factorised form of the polynomial is (c - 31)(3 - c)

Answer 2

To factorise:-

-c²+34c-93

Solution:-

First we need to find out which are the 2 numbers whose sum is 34 and product is 93.....The answer is 31 and 3

31+3=34

31×3=93

Here comes the main part of the solution,

-c²+34c-93

-c²+3c+31c-93

c(-c+3)-31(-c+3)

(c-31)(3-c)

Correct answer:- (c-31)(3-c)