(4x+5) (4x-5) using suitable property
Answers
Answered by
1
Answer:
Step-by-step explanation:
(x + a) (x + b) = x² + (a+b) x + ab
(4x -5) (4x - 1) = (4x)² + (-5 -1) 4x + (-5 × -1)
= 16x² -24x +5
hence solved....
Answered by
0
Answer:
4²-5² [(a+b)(a-b) =a²-b²]
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