Question

factorise 16(5x+3y)^2-24(5x+3y)​

Answer 1

Answer:

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Step-by-step explanation:

5x2y = 5 × x × x × y                15xy2 = 3 × 5 × x × y × y                factors are 5, x, and y.                ∴5x2y – 15xy2 = (5 × x × x × y)                                        – (3 × 5 × x × y × y)                = 5 × x × y[x – (3 × y)]                = 5xy(x – 3y)