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Rearrange the equation so x^2 - 7x -18 = 0, then simplify into (x-9)(x+2)=0 -> x=9 or x=-2

Radical feminists state that family life reflects patriarchy and would therefore argue the following two ways in which women are oppressed/exploited by men within their families.

Firstly, being sub...

sin2x = 2sinxcosx cos2x = cos^2(x) - sin^2(x) tan2x = (2tanx)/(1-tan^2(x))

Smoke contains contents that can irritate the respiratory tract, which can lead to inflammation of the Bronchi. This is termed Bronchitis. Cilia may be damaged by tar, leaving them immobile, which means t...

Start by expanding the brackets. This means that you must multiply everything inside the bracket by whatever is outside the bracket. Therefore, you should be left with: 6yx - 16y + 2x^2 + xy After this, ...