Solve 6x^2+8x-8 = 0 using factorisation.
Factorise using a suitable method (eg product and sum) to find (6x-4)(x+2) = 0Hence x = 4/6 and x = -2.
MS
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All answers ▸Solve algebraically: 6a+b=16, 5a-2b=19
Trigonometry: what is it, and how do I do it?
How do you break down a wordy question (e.g. Aled has three concrete slabs. Two slabs square, of length x, & the third rectangular of dimensions 1m & x+1m. Show 2x^2 +x-6=0 & Solve this)
Solve the simultaneous equations 2x - 3y = 24 (1) ; 6x + 2y = -5 (2)