Question

Simplify 7x ^ 2 * (3x - 9) + 3 and find its value for x=-1​

Answer 1

Answer:

7x²(3x-9) +3

Value of x is -1

7×1×1 (3×-1-9)+3

7(-12) +3 = -84+3

- 81 Ans

Answer 2

Explanation:

As per question , replace x with (-1) :-

7*(-1)² * (3*(-1) - (9)) + 3

7 * (-3 -9) + 3

7 * (-12) + 3

-84 + 3

-81

Hope this helps