1.

Find the value of the polynomial 4x²—5x—7x at x=4​

Answer»

Step-by-step EXPLANATION:

4 \times  {4}^{2}  - 4 \times 5 - 7  \times 4 \\  \\  = 4 \times 16 - 20 - 28 \\  \\  = 64 - 48 \\  \\  = 16



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