please slove this question fast please. Questions7 (1,2,3,4 )parts please fast please
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7)
i)(13a-6b)+(2a+3b)-(-a+2b)
=>13a-6b+2a+3b+a-2b
=>(solving the like terms)
=>16a-8b+3b
=>16a-5b
ii)m(2n-3p)-n(4p-5m)-p(2m+3n)
=>2mn-3mp-4np+5mn-2mp-3np
=>7mn-5mp-4np-3np
=>7mn-5mp-7np
iii)(3x²-8x+5)×(-x²+2x)
=>-3x⁴+8x³-5x²+6x³-16x²+10x
=>-3x⁴+14x³-21x²+10x
iv)(a+3)(a+4)-(a+2)(a+5)
=>a²+3a+4a+12-(a²+5a+2a+10)
=>a²+7a+12-a²-7a-10
=>2
(like terms are cancelled)
i)(13a-6b)+(2a+3b)-(-a+2b)
=>13a-6b+2a+3b+a-2b
=>(solving the like terms)
=>16a-8b+3b
=>16a-5b
ii)m(2n-3p)-n(4p-5m)-p(2m+3n)
=>2mn-3mp-4np+5mn-2mp-3np
=>7mn-5mp-4np-3np
=>7mn-5mp-7np
iii)(3x²-8x+5)×(-x²+2x)
=>-3x⁴+8x³-5x²+6x³-16x²+10x
=>-3x⁴+14x³-21x²+10x
iv)(a+3)(a+4)-(a+2)(a+5)
=>a²+3a+4a+12-(a²+5a+2a+10)
=>a²+7a+12-a²-7a-10
=>2
(like terms are cancelled)
arya64:
please slove 7 question 5and6 parts also please
ok
thankq
my pleasure:)
u most welcome
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