Factorise: (4x+7x)²-(3x+8y)²
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Answer:
(14 + 8y) (8x - 8y)
Step-by-step explanation:
We know x^2 - y^2
(4x+7x)^2 - (3x + 8y) ^2
(11x) ^2 - (3x + 8y) ^2
(11x +3x +8y) (11x - (3x +8y)
(14x +8y) (11x - 3x - 8y)
(14 + 8y) (8x - 8y)
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