2x ( 3x + 4x - 5 ) + 7 and find its value for x = 1/2 and x = 0
Answers
Answered by
1
Answer:
i) 4
ii) 0
Step-by-step explanation:
2x(7x - 5) + 7
14x - 10 + 7
14x - 3
i) Substituting x as 1/2
14(1/2) - 3
7 - 3
4
ii) Substituting x as 0
14(0) - 3
0 - 3
0
Answered by
1
Answer:
2x(3x+4x-5)+7
2x(7x-5)+7
14x2-10x+7
on substituting x=1/2
14*1/2*1/2-10*1/2+7
7/2-5+7
7/2-2
7-4/2
3/4
on substituting x=0
14*0*0-10*0+7
0-0+7
7
Similar questions