Question

4. Find the value of 5x2 - 3x +7 when
(i) x = 0,
(ii) x = 3,
1
(iii) x = -4.
(iv)
X
1/2
​

Answer 1

Answer:

1.7

2.30,9

3.89

4.6

this is the answer

Answer 2

Step-by-step explanation:

5x²-2x+7=0

5x²- 7x+5x+7=0

x(5x-7)+1(5x-7)=0

(x+1)(5x-7)

x=-1, x=7/5