Question

factorise 25 x minus y square upon 16
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Answer 1

Step-by-step explanation:

Given, (25x^2 - 16y^2) =

[(5x)^2 - (4x)^2] Since, a^2 - b^2 = (a + b)(a - b) [(5x)^2 - (4x)^2]

= (5x + 4x)(5x - 4x)

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Answer 2

• 25x²-16x²
• ${5x}^{2} - {4y}^{2}$
• $(5x - 4y)(5x + 4y)$

using formula

• a²-b²=(a+b)(a-b)

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