1.

Factorise1. x2+ 6x +83. a2+5a +65. a2 +5a-67. аг-за-409. x2-10xy +24y211. 3a2-5a + 22. x2+4. a2-8. x210.2a212. 7b22x22a2- 17ab + 26b2 14.13.7 FACTORISING A P

Answer»

2a² ⁻17ab +26b²=2a²-13ab-4ab+26b²=a(2a-13b)-2b(2a-13b)=(2a-13b)(a-2b)

(x+3a)a



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