Answer:
13x²+16x+28
Explanation:
S=(5x+6)×(3x+2)=15x²+28x+12
2x+5-x-3=x-2
5x+6-3x+2=2x+8
(x-2)×(2x-8)=2x²-12x+16
15x²+28x+12-2x²-12x+16=13x²+16x+28
(5x+6)(2x+5)-(2x+4)(x+8) simplified is 8x^2+17x-2
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