Question

factorise 5+2x-16x2​

Answer 1

Step-by-step explanation:

Answer is :

5+2x - 16×2

=5+2x - 32

= 5-32+ 2x

= -7 + 2x

=2x -7.

Answer 2

Answer:

answer is (5-8x) (1+2x)

Step-by-step explanation:

here , multiplying -16x^2 with 5 we get -80x^2

WE WILL HAVE TO DIVIDE 2x INTO TWO PARTS SUCH THAT THEIR SUM WOULD BE 2x AND PRODUCT WOULD BE -80x^2

=> 5+2x-16x^2

=> 5+10x-8x-16x^2

=> (5+10x)+(-8x-16x^2)

=> 5(1+2x)-8x(1+2x). [TAKING OUT THE COMMON IN BOTH BRACKETS]

=> (1+2x) (5-8x) [REMOVING ONE THE COMMONS WE GET OUR ANSWER]