Factorise. a) $x^2 + 3x + 2$ e) $y^2 - 8y + 15$ $x^2 - 2x - 15$ b) $a^2 + 7a + 12$ f) $x^2 - 9x + 20$ j) $x^2 - 3x - 28$ c) $p^2 + 6p + 8$ g) $m^2 - 9m + 14$ k) $a^2 + 4a - 12$ d) $x^2 + 7x + 10$ h) $b^2 - 11b + 30$ l) $x^2 + 5x - 24$
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a) x + 5x + 2ey = 8v - 15 Simplifying the left side: 6x + 2ey = 8v - 15 Show more…
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Determine the following: (a) $\left(2 x^{2}+5 x-3\right)(4 x-7)$ (b) $\left(4 x^{2}-7 x+3\right)(5 x+6)$ (c) $\left(5 x^{2}-3 x-4\right)(3 x-5)$ (d) $\left(6 x^{3}-5 x^{2}-14 x+12\right) \div(2 x-3)$ (e) $\left(15 x^{3}+46 x^{2}-49\right) \div(5 x+7)$ (f) $\left(18 x^{3}+13 x+14\right) \div(3 x+2)$
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