Question

Factorise the following:
(a) a2 + 5a - 36
(e) 15x2 - 26x + 8
(i) x2 - 23x + 42
(m) 3y2 + 3y - 36
(q) x2 - 7x - 30
(t) 10x2 + x-3
(w) m² - 26m + 120
(b) x2 + 2x - 24 (c) x2 + 8x - 48
(f) x2 + 14x + 48 (g) y2 + 10y + 24
(i) x2 + 12x + 35 (k) x2 - 11x + 30
(n) 4x2 - 11x + 6 (o) 7x2 - 19x - 6
(r) 36x2 + 12yzx - 15y?z?
(u) (a - 2b)2 – 5(a - 2b) + 6
(x) 3x2 + 14x + 8 (y) 2x2 - 3x -9
(d) 6x2 + 7x-3
(h) q? - 10q + 21
(1) 3x2 + 7x + 4
(p) x2 + 5x - 104
(s) 4x2 - 8x + 3
(v) x2 - 11x - 80
(z) 7x? + 35x + 42


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Answer 1

Step-by-step explanation:

1) a×+9a-4a-36=0

a(a+9)-4(a+9)=0

(a+9)(a-4)=0