Question

factorise:
a)2x^2+5x+2
b) 7-12x+5x^2
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Answer 1

Answer:

sorry. bro l wanted to answer but. I'm outside

Answer 2

Answer:

a)∴ −21 and −2 are the roots of given quadratic equation

b)=7-12x-4x²

=7-14x+2x-4x²

=7(1-2x)+2x(1-2x)

=(1-2x)(7+2x)<-{answer}