Question

factorise 4x^2-16+15 by splitting the middle term class 9​

Answer 1

Answer:

0=4x²+16x+15

=(4x²+10x) +(6x+15)

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

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

Hence roots X = -3/2 and x =-5/2

Step-by-step explanation:

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