Bonsoir,
Factoriser:
a= 4(x²+1)
b= (7x+2)(7x+2-2x)
= (7x+2)(5x+2)
c= (3y+1)²
d= (25-2x-1)(25+2x+1)
= (-2x+24)(2x+26)
e= (2-x)(4x-1-8+3x)
= (-x+2)(7x-9)
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Bonsoir,
Factoriser:
a= 4(x²+1)
b= (7x+2)(7x+2-2x)
= (7x+2)(5x+2)
c= (3y+1)²
d= (25-2x-1)(25+2x+1)
= (-2x+24)(2x+26)
e= (2-x)(4x-1-8+3x)
= (-x+2)(7x-9)