Question

factorise 9xsquare -16xsquare​

Answer 1

$9 {x}^{2} - 16 {x}^{2}$

$9(2x) - 16(2x)$

$⟹18x - 32x$

$⟹ - 14x$

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Answer 2

Answer:

$- 7 {x}^{2}$