Solve the simultaneous equation: y=x^2+2x-2 y=4x+6
You want to make the equations equal one another. If both equal y it can be written like this: x2+2x-2=4x+6Then simplify by putting the terms on one side and equaling 0: x2-2x-8Now put into brackets: (x-4)(x+2)x= 4, -2
RD
Related Maths GCSE answers
All answers ▸In a village the number of houses and the number of flats are in the ratio 7 : 4 the number of flats and the number of bungalows are in the ratio 8 : 5 There are 50 bungalows in the village. How many houses are there in the village?
Factorise 3y^2 + 2y
solve the simultaneous equation x^2 + 2y = 9 , y - x = 3
Given a material with dimensions 1.5 x 1.1 x 1.6 mm ^3 and a mass of 0.5kg. What is the density of this material? Give your answer in kg/m^3