Expand the brackets: (x-3)(x+4)
First Multiply x by (x +4) Next multiply -3 by(x+4) Then simplify the sum : x2+4x-3x-12 Hence the answer is : x2+x-12
AN
Related Maths GCSE answers
All answers ▸Solve 10x - 7 = 4x + 5
Factorise this equation: x^2+3x-10=0
2x + 4 = 4y ; 3y + 3 = 3x. What is x and y respectively?
P (–1, 4) is a point on a circle, centre O which is at the origin. Work out the equation of the tangent to the circle at P. Give your answer in the form y = mx + c