Math, asked by DHEERAJOK, 11 months ago

question 1 ka 9 wale ka answer with solution

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Answers

Answered by rinkum4239

1

Answer:

2x⁴+2x³-21x²+43x-35

Step-by-step explanation:

we have,

(2x²-4x+5)(x²+3x-7)

=2x⁴-4x³+5x²+6x³-12x²+15x-14x²+28x-35

= 2x⁴+2x³-21x²+43x-35 ....ans.

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