1 . Factorise the following
a . 5az + 5by
b . 72p8q5 - 60p5q5
c . 9x3y3 - 12x3y2 + 6x2y3
d . 72p2q - 18p2q2
e . -15a2 + 5a
f . 21x - 14y
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a.5(az+by)
b.12q5(6p8-5p5)
b.12q5(6p8-5p5)
harry6123:
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here is your answer
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