(x+2)(x-3) expand and simplify
A key algebraic technique for double brackets is FOILx^2 -3x + 2x -6simplify furtherx^2 -x -6can check by factorisingthe integers adds to make "the number" and multiply to make "the x"
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Related Maths GCSE answers
All answers ▸Factorise and solve x^2 – 8x + 15 = 0
What is Pythagorus' Theorem?
Solve the equation: x^2+7x=-12
A group of 35 students were asked if they owned a laptop or a TV. 10 said they had both. 12 said they had only a TV. 20 said they had atleast a laptop. A student is picked at random. What is the probability that the student has neither a laptop or a TV?