Factorise the following(middle term splitting) i)6x^2+7x-3 ii)84-2r-2r^2
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i) 6x²+7x-3
6x²+9x-2x-3
3x(2x+3)-1(2x-3)
(3x-1)(2x-3)
ii) 84-2r-2r² In standardized form
2r²+2r-84
2r²+14r-12r-84
2r(r+7)-12(r+7)
(2r-12)(r+7)
6x²+9x-2x-3
3x(2x+3)-1(2x-3)
(3x-1)(2x-3)
ii) 84-2r-2r² In standardized form
2r²+2r-84
2r²+14r-12r-84
2r(r+7)-12(r+7)
(2r-12)(r+7)
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