Simplify 3a2(5a2−3a−24) and also find its value for (i) a = 1 (ii) a = 2. [3 MARKS]
Simplify a(a2+a+1)+5 and find its value for (i) a=0, (ii) a=1(iii) a = −1
(a) Simplify 3x (4x ā5) + 3 and find its values for (i) x = 3, (ii) .
(b) a (a2 + a + 1) + 5 and find its values for (i) a = 0, (ii) a = 1, (iii) a = ā 1.