Q.7. Factorise the following:
(a) a’x – x4 + a²x2 = ax?
(b) 4×4 + 12x} + 9x?​

Question

Q.7. Factorise the following:
(a) a’x – x4 + a²x2 = ax?
(b) 4×4 + 12x} + 9x?​

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Liliana 3 months 2021-07-31T16:45:13+00:00 1 Answers 0 views 0

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    2021-07-31T16:46:25+00:00

    A) a2 x 2+(ax2 +1)x+aa 2 x2+ax 3+x+a=ax 2

    (a+x)+1(a+x)=(ax 2+1)(a+x)

    B) 4x 2 +12x+9

    ⇒4x 2 +6x+6x+9

    ⇒2x(2x+3)+3(2x+3)

    ⇒(2x+3)(2x+3)

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