Question

Simplify and evaluate the following for x =-2 and y = 1:


questions is given in photo​

Answer 1

Answer:

3y(2y−7)−3(y−4)−63

= 3y.2y−3y.7−3.y+3×4−63

=6y

2

−21y−3y+12−63

=6y

2

−24y−51.

for y=−2 in expression

6y

2

−24y−51=6(−2)

2

−24(−2)−51

=6(4)+48−51

=24+48−51

= 72−51

= 21.

Answer 2

$\huge{\underline{\underline{\bold{\mathtt{\purple{✍A{\pink{N{\green{S{\blue{W{\red{E{\orange{R✍}}}}}}}}}}}}}}}}$$\huge{\rightarrow}$

ᴘᴜᴛᴛɪɴɢ ᴠᴀʟᴜᴇs ᴏғ x ᴀɴᴅ ʏ ᴀs ɢɪᴠᴇɴ ɪɴ ϙᴜᴇsᴛɪᴏɴ .

—» 16 × -2 × 1. ( $\mathtt{\frac{3}{4}\times(-2) - \frac{1}{8}\times 1 + \frac{1}{16}}$)

—» ( -32 ) ($\mathtt{-\frac{6}{4}- \frac{1}{8}+ \frac{1}{16}}$)

—» ( -32 ) ($\mathtt{\frac{-24-2+1}{16}}$)

—» ( -32 ). ( $\mathtt{-\frac{26}{16}}$)

—» 52 .