Simplify these expressions and find their values if
x = 3, a = -1 and b= -2.
(i) 3x - 5 - x +9 (ii) 10 - 3 - 4 - 5x
(iii) 3a + 7a +5 - 1 (iv) 2x - 3 - 4 - 5+ a
(v) a²x + b2x + 5
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Answer:
Mark this as brain list answer.
Step-by-step explanation:
(I)
3x-5-x+9
3(3)-5-3+9
9-5-3+9
18-8
10
(2)
10-3-4-5x
10-3-4-5(3)
10-3-4-15
10-22
-12
(3)
3(-1)+7(-1)+5-1
-3-7+5-1
-11+5
-6
(4)
2(3)-3-4-5+(-1)
6-3-4-5-1
6-13
-7
(5)
(-1) square(3)+(-2)2(3)+5
1(3)-2+6+5
3-2+6+5
14-2
12.
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