Mathematics
Factorise:
3 - x(4 + 7x)
Factorisation
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Answer
Given,
⇒ 3 - x(4 + 7x)
⇒ 3 - 4x - 7x2
⇒ 3 + 3x - 7x - 7x2
⇒ 3(1 + x) - 7x(1 + x)
⇒ (3 - 7x)(1 + x).
Hence, 3 - x(4 + 7x) = (3 - 7x)(1 + x).
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Factorise:
3 - x(4 + 7x)
2 Likes
Given,
⇒ 3 - x(4 + 7x)
⇒ 3 - 4x - 7x2
⇒ 3 + 3x - 7x - 7x2
⇒ 3(1 + x) - 7x(1 + x)
⇒ (3 - 7x)(1 + x).
Hence, 3 - x(4 + 7x) = (3 - 7x)(1 + x).
Answered By
3 Likes