Expand and simplify (6x - 2y)(3x - 7y)

Expand brackets: 18x^2 - 42xy - 6xy + 14y^2 Simplify: 18x^2 - 48xy + 14y^2

3 marks

BW

Related Maths GCSE answers

All answers ▸

Solve the simultaneous equations: 8x + 2y =46, and 7x + 3y = 47


y=2x+5, calculate x when y=11


X is inversely proportional to Y. When X=4, Y=9. If Y=6, what is the value of X?


Point A has coordinates (-1,3). Point B has coordinates (2,-3). Find the equation of the line L that goes through these two points. Point C has coordinates (0,1). Hence or otherwise, find the equation of the line perpendicular to L that goes through C.