Answers
Answered by
1
4x^2+10x-2x-5
4x^2+8x-5
4x^2+10x-2x-5
2x(2x+5)-1(2x+5)
(2x+5)(2x-1)
4x^2+8x-5
4x^2+10x-2x-5
2x(2x+5)-1(2x+5)
(2x+5)(2x-1)
= 4x^2 - 25
in question doesnt follow that rule carefully watch
Sorry not for this
I dint see the Question properly
its ok bro
Answered by
0
The answer is (2x)²+(5-1)2x-5=4x²+8x-5
HOPE IT HELPS
HOPE IT HELPS
Similar questions
Using identity.. (a + b) (a -b ) = a^2 - b^2
So, (2x + 5) (2x - 5) = (2x)^2 - 5^2