Question

How do you find the zeroes of f(x)=(3x−5)(2x+7)?

Answer 1

f(x)=(3x-5)(2x+7)=0

if a×b=0

then any one of a,b should be zero or both of them should be zero.

here 3x-5=0

3x=5

x=5/3

2x+7=0

2x=-7

x=-7/2

then 5/3,-7/2 are zeroes of the given equation