Solve (x + 2)(x+3) = (2x+4)
Expand: x2 + 2x + 3x +6 = 2x+4
Take (2x+4) from both sides: x2+3x+2 = 0
Facorise: (x+2)(x+1) = 0
So solutions are x=-2 and x=-1
MT
Related Maths GCSE answers
All answers ▸Heather invests £900 for 3 years at 2% per annum compound interest. Calculate the value of her investment at the end of the 3 years.
Solve the simultaneous equations: 5x + y = 21 and x - 3y = 9
How do i find 30% of 70?
Solve this simultaneous equation: 2 + 5y = 3x, x + y = 6