Question

(b) -x² + 7x2 – 3x + 7x3 - 5x
(d)

a
a​

Answer 1

Answer:

$- {x}^{2} + 7 \times 2 - 3x + 7 \times 3 - 5x \\ \\ {x}^{2} + 14 - 3x + 21 - 5x \\ \\ {x}^{2} + 35 - 8x$

Answer 2

Answer:

${x}^{2} - 8x + 35$

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Hope it helps u...