® a) Simplify 3x (4x - 5) + 3 and find its values for (i) x = 3 (ii)x=
1/2
(b) Simplify a (a√2+ a + 1) +5 and find its value for (i) a=0, (ii) a=1
(iii) a = -1
Answers
Answered by
1
Answer:
ai) 3(3) (4(3) - 5) = 9×(12-5)
= 9×7
= 63
aii) 3(1/2) (4(1/2) - 5) = 1.5( 2-5 )
= -4.5
Answered by
3
Answer:
a) 66, -3/2
b) 5, 8√2, 6√2
Step-by-step explanation:
hope that this will help
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