Question

Factories:
$a)(2a + 3b)(a - b) = 2a ^{2} - 3b ^{2} \\ b)4x \div 4x + 2 = 1 \div 2$
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Answer 1

Step-by-step explanation 4x / 4 x + 2 =1/2. 4x(4x-2)/(4x+2)(4x-2)=1/2 .2(16x²-8x)=16x²-4. 32x²-16x=16x²-4 .16x²-16x+4=0.16x²-8x-8x+4=0 (2x-1)(8x-4)=0