Solve the equation 2x^2 + 3x = 9

2x2 + 3x = 92x2 + 3x - 9 = 0(2x - 3)(x+3)2x-3 = 02x = 3x = 3/2x+3=0x=-3x = 3/2 or -3

Answered by Sean N. Maths tutor

2872 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

There are 48 girls in a large cheerleading squad. The ratio of girls to boys in this squad is 8:3. How many boys are in the squad?


A light bulb is to be put in the middle of a room defined by the coordinates (10,5), (10,25), (20, 5) and (20,25). At what coordinate should the light bulb be placed?


The graph of y = x^2 – 1 is translated 3 units to the left to give graph A.The equation of graphA can be written in the form y=x^2 +bx+c Work out the values of b and c.


If Q = P / (R (4 – t)), calculate the value of Q when P = 36, R = 3 and t = –2


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences