Expand 2x(x-3)

Related Maths GCSE answers

The perimeter of a right-angled triangle is 72 cm. The lengths of its sides are in the ratio 3 : 4 : 5 Work out the area of the triangle.

Answered by Saif K.

---

Solve the simultaneous equations. 2x + y =10 and x + y = 4

Answered by Grace N.

---

Where and why do we plot points on cumulative frequency graphs?

Answered by Osman O.

---

Jo wants to work out the solutions of x^2 + 3x – 5 = 0 She says, ‘‘The solutions cannot be worked out because x^2 + 3x – 5 does not factorise to (x + a)(x + b) where a and b are integers.’’ Is Jo correct?

Answered by Kirsty A.

---