4x^2-m =(2x-7) (2x+7), then m =_____
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0
Answer:
yvtvybubtvexwdybujumubrcr
Answered by
1
Answer:
M= 49
Step-by-step explanation:
Q) 4x²- m = (2x-7) (2x+7), then m= ?
So here,
According to the formula => [a²-b² = (a+b) (a-b)]
=> 4x²- m = (2x)² - 7²
=> 4x²- m = 4x² - 49
=> -m = -49 (4x² cancells out)
m = 49
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