simplify the following
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Step-by-step explanation:
(i) x²+8x+15/4x+12
x² + 3x+5x+15/4(x+3)
x(x+3) +5(x+3) /4(x+3)
(x+5)(x+3)/ 4(x+3)
= x+5 / 4
(ii) 2x²+9x+10/x² –4
2x² +4x+5x+10 / x²–2²
2x(x+2) + 5(x+2) / (x–2)(x+2)
(2x+5)(x+2) / (x–2)(x+2)
= 2x+5 / x–2 .
IV .)
(i) a²–4 / a–2
a²–2² / a–2
(a–2)(a+2) / a–2
= a+2.
(ii). 5a+5b /5
5(a+b)/5
= a+b.
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