Solve the following equation 2x^2+6x=8
2x^2+6x-8=0fx^2+3x-4=0(x-1)(x+4)=0x=-4 or x=1
HR
Related Maths GCSE answers
All answers ▸Solve the simultaneous equations “x^2+y^2=4” and “x=2-y”. What does this tell us about the circle centred on the origin, with radius 2, and the straight line with y-intercept 2 and gradient -1?
y is proportional to x^2. When y is 75, x is 5. Find a formula for y in terms of x
Fully factorise 2a^2b+6ab^2
ABCDEFGH is a cuboid. AB=5.6 cm CH=7.2cm. Angle BCA=44degrees. Find the size of the angle between AH and the plane ABCD giving your answer correct to one dp.