380 × 19 + 2 - 4 ÷ 2 = 14
Find the coordinates of the intersection of the lines 2x−3y+1=0 and 2x+4y+5=0.
Add t−t2−14; 15t3+13+9t−8t2;12t2−19−24t and 4t−9t2+19t3. [4 MARKS]