Factorise : 7x² + 18xy − 9y²
a) (x - 3y) (7x + 3y)
b) (x - 3y) (7x - 3y)
c) (x + 3y) (7x - 3y)
d) ( x + 3y) (7x + 3y)
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Answer: 7 x 2−18 x y −9 y 2. Enter an ... This deals with factoring multivariable polynomials. ... ((7 • (x2)) - 18xy) - 32y2 ... Found a factorization : (x - 3y)•(7x + 3y)
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