Solve the following quadratic equation x^(2)+7x+12
(x+a)(x+b) = 0The two numbers must have a product of 12 and a sum of 7.3*4 = 12 AND 3+4=7Therefore(x+3)(x+4) = 0Therefore x+3 = 0 --> x = -3OR x+4 = 0 --> x = -4
MV
Related Maths GCSE answers
All answers ▸How do I calculate negative powers?
ABCD is a regular paralleogram, A=(2,1) B=(7,2) and C=(4,6), work out the gradient of the line CD and then work out the area of ABCD.
How do i solve the quadratic x^2 + 5x + 6 = 0 ?
Find the equation of a straight line that passes through the points (2,7) and (5,3)