Q. 3.Factorise the following using the identity
a 25ax^2-25a
b p^2 -13p - 30
c x^2+ 9x + 20
d 9x^2- 12^x + 4
e a^2x^3 + 2abx^2 + b^2x
plzzz ans this all
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bzvzbzhzvzizhzihziahzz Mara number ha 6203482700
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a.25ax^2-25a
=25a(x^2-1)
b.p^2-13p-30=0
=p^2-10p-3p-30=0
=p(p-10)-4(p-10)
=(p-3)(p-10)
c.x^2+9x+20=0
=x^2+5x+4x+20=0
=x(x+5)+4(x+5)
=(x+4)(x+5)
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