4. Multiply the following:
(iii) (3 - 4x + 7x?) by 2x + 7
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Answered by
1
Answer:
iii) (3 - 4x + 7x) by 2x + 7
solve: 6x - 8x^2 + 14x^2 + 21 - 28x + 49x
6x^2 + 27x + 21 ans
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Answered by
0
Answer:
3(2x²+9x+7)
Step-by-step explanation:
(3-4x+7x) × (2x+7)
= (3+3x) × (2x+7)
= 3(2x+7) + 3x(2x+7)
= 6x+21+6x²+21x
= 6x²+27x+21
= 3(2x²+9x+7) [Ans]
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