Question

$\large{\bf{ \underline{Divide :}}}$

a) x + 6x² – 15 by 2x – 3
b) (-56 xyz³)

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Answer 1

6x²+x-15

=6x²+10x-9x-15

= 2x(3x+5)-3(3x+5)

=(2x-3)(3x+5)

6x²+x-15 ÷ 2x-3

=(2x-3)(3x+5) ÷ (2x-3)

=3x+5