Question

factorise 48 bx^2-75 by^2​

Answer 1

Answer:

3b(4x+5y)(4x-5y)

Step-by-step explanation:

48 bx^2-75 by^2

=3b(16x^2-25y^2)

=3b(4x+5y)(4x-5y)

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Answer 2

${\huge{\bold{\purple{\bigstar{\boxed{\boxed{\bf{Question}}}}}}}}$

$factorise 48 b^2x^2- 75 b^2y^2$

${\huge{\bold{\purple{\bigstar{\boxed{\boxed{\bf{Solution}}}}}}}}$

$3b(16x^2 - 25y^2)$

$3b((4b)^2 - (5y)^2)$

${\bold{\blue{\boxed{\bf{x^2 - y^2 = (x+y)(x-y)}}}}}$

$3b (4b-5y)(4b+5y)$

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