Question

18.
If 7x² + 4x – 5; x = -2, then the value of expression
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Answer 1

Answer:

7×4+4×-2-5

28-8-5

28-13

15

Answer 2

Answer:

15 is the correct ans

Step-by-step explanation:

put -2on the place of x in equation 7x²+4x-5